This is a list of mammal species recorded in Japan (excluding

domesticated Domestication is a sustained multi-generational relationship in which humans assume a significant degree of control over the reproduction and care of another group of organisms to secure a more predictable supply of resources from that group. A ...

and

captive Captive or Captives may refer to: Arts, entertainment, and media Films * ''Captive'' (1980 film), a sci-fi film, starring Cameron Mitchell and David Ladd * ''Captive'' (1986 film), a British-French film starring Oliver Reed * ''Captive'' (1991 ...

populations). Of the 172

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...

found—112 native terrestrial mammals (those that are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

are identified below; this number includes 37 species of bat), 19

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

, 40 species of

Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...

, and the

dugong The dugong (; ''Dugong dugon'') is a marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest m ...

—161 are listed for the Japan region on the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...

: of these, four

taxa In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...

are critically endangered (

Iriomote cat The Iriomote cat (''Prionailurus bengalensis iriomotensis'') is a subspecies of the leopard cat that lives exclusively on the Japanese island of Iriomote. It has been listed as critically endangered on the IUCN Red List since 2008, as the only p ...

, Muennink's spiny rat,

Yanbaru whiskered bat The Yanbaru whiskered bat ''(Myotis yanbarensis)'' is a species of vesper bat in the genus ''Myotis''. It is known only from three islands of the Ryukyu Archipelago, south of Japan, Okinawa (where the Yanbaru forest is situated), Amami Ōshima, ...

, and Gloomy tube-nosed bat), twenty-one are

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...

, eight are vulnerable, and ten are

near threatened A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify fo ...

; the

Japanese sea lion The Japanese sea lion (''Zalophus japonicus'') ( ja, ニホンアシカ, translit=Nihon ashika, Korean:강치, 바다사자) was an aquatic mammal that became extinct in the 1970s. It was considered to be a subspecies of the related California se ...

and Bonin or Sturdee's pipistrelle are evaluated as

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

. Although on a global level the

grey wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly ...

is assessed as least concern, the two Japanese

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

Hokkaido wolf The Hokkaido wolf (''Canis lupus hattai''), also known as the and in Russia as the Sakhalin wolf,Heptner, V. G. & Naumov, N., P. (1998''Mammals of the Soviet Union'' Vol.II Part 1a, SIRENIA AND CARNIVORA (Sea cows; Wolves and Bears) Science Pub ...

and

Japanese wolf The Japanese wolf ( ja, ニホンオオカミ（日本狼）, ja, script=Latn, label=Hepburn romanization, Hepburn, Nihon ōkami, or , ee #Nomenclature: "ōkami" and "yamainu", below ''Canis lupus hodophilax''), also known as the Honshū wo ...

, are further recent extinctions; the 2020 Japanese Ministry of the Environment

Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...

also lists as extinct the Okinawa flying fox and

Japanese river otter The (''Lutra nippon'') or Japanese river otter is an extinct species of otter formerly widespread in Japan. Dating back to the 1880s, it was even seen in Tokyo. The population suddenly shrank in the 1930s, and the mammal nearly vanished. Since ...

, as well as the subspecies . The following tags are used to highlight each species'

conservation status The conservation status of a group of organisms (for instance, a species) indicates whether the group still exists and how likely the group is to become extinct in the near future. Many factors are taken into account when assessing conservation ...

as assessed by the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

Order:
Sirenia The Sirenia (), commonly referred to as sea-cows or sirenians, are an order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters. The Sirenia currently comprise two distinct f ...
(manatees and dugongs)

''Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. All four species are endangered.'' *Family:

Dugongidae Dugongidae is a family in the order of Sirenia. The family has one surviving species, the dugong (''Dugong dugon''), one recently extinct species, Steller's sea cow (''Hydrodamalis gigas''), and a number of extinct genera known from fossil rec ...

**Genus: ''

Dugong The dugong (; ''Dugong dugon'') is a marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest m ...

'' ***

, ''Dugong dugon'' (MOE: CR)(northern

Okinawa Island is the largest of the Okinawa Islands and the Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five main islands of Japan. The island is approximately long, an average wide, and has an ...

; the northernmost population globally; designated a

Natural Monument A natural monument is a natural or natural/cultural feature of outstanding or unique value because of its inherent rarity, representative of aesthetic qualities or cultural significance. Under World Commission on Protected Areas guidelines, nat ...

under the Law for the Protection of Cultural Properties)

Order:
Primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...
s

''The order Primates contains

human Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, culture, ...

s and their closest relatives:

lemur Lemurs ( ) (from Latin ''lemures'' – ghosts or spirits) are Strepsirrhini, wet-nosed primates of the Superfamily (biology), superfamily Lemuroidea (), divided into 8 Family (biology), families and consisting of 15 genera and around 100 exist ...

s, lorisoids,

monkey Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as the simians. Traditionally, all animals in the group now known as simians are counted as monkeys except the apes, which constitutes an incomple ...

s, and

ape Apes (collectively Hominoidea ) are a clade of Old World simians native to sub-Saharan Africa and Southeast Asia (though they were more widespread in Africa, most of Asia, and as well as Europe in prehistory), which together with its siste ...

s.'' *Suborder:

Haplorhini Haplorhini (), the haplorhines (Greek for "simple-nosed") or the "dry-nosed" primates, is a suborder of primates containing the tarsiers and the simians (Simiiformes or anthropoids), as sister of the Strepsirrhini ("moist-nosed"). The name is some ...

**Infraorder:

Simiiformes The simians, anthropoids, or higher primates are an infraorder (Simiiformes ) of primates containing all animals traditionally called monkeys and apes. More precisely, they consist of the parvorders New World monkeys (Platyrrhini) and Catarrhi ...

***Parvorder:

Catarrhini The parvorder Catarrhini , catarrhine monkeys, Old World anthropoids, or Old World monkeys, consisting of the Cercopithecoidea and apes (Hominoidea). In 1812, Geoffroy grouped those two groups together and established the name Catarrhini, "Old ...

****Superfamily:

Cercopithecoidea Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae (). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons ...

*****Family:

Cercopithecidae Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae (). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons ...

(Old World monkeys) ******Genus: '' Macaca'' *******

Japanese macaque The Japanese macaque (''Macaca fuscata''), also known as the snow monkey, is a terrestrial Old World monkey species that is native to Japan. Colloquially, they are referred to as "snow monkeys" because some live in areas where snow covers the gr ...

, ''Macaca fuscata'' (

Honshū , historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island separa ...

Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), '' ...

Kyūshū is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...

, and adjacent smaller islands; the

Aomori is the capital city of Aomori Prefecture, in the Tōhoku region of Japan. , the city had an estimated population of 278,964 in 136,457 households, and a population density of 340 people per square kilometer spread over the city's total area of ...

population are the northernmost non-human primates; several populations and/or related habitats have been designated

s, including those on the

Shimokita Peninsula is the remote northeastern cape of the Japanese island of Honshū, stretching out towards Hokkaidō. Overview It is bordered by the Pacific Ocean to the east, Tsugaru Strait to the north and Mutsu Bay to the west and south. Shaped like an axe ...

) *******

Formosan rock macaque The Formosan rock macaque (''Macaca cyclopis''), also known as the Formosan rock monkey or Taiwanese macaque, is a macaque endemic to the island of Taiwan, which has also been introduced to Japan. Besides humans, Formosan rock macaques are the on ...

, ''Macaca cyclopis'' (

; those on the

were removed in 2004) *******

Rhesus macaque The rhesus macaque (''Macaca mulatta''), colloquially rhesus monkey, is a species of Old World monkey. There are between six and nine recognised subspecies that are split between two groups, the Chinese-derived and the Indian-derived. Generally b ...

, ''Macaca mulatta'' (

feral A feral () animal or plant is one that lives in the wild but is descended from domesticated individuals. As with an introduced species, the introduction of feral animals or plants to non-native regions may disrupt ecosystems and has, in some ...

individuals observed on the

Bōsō Peninsula The is a peninsula that encompasses the entirety of Chiba Prefecture on Honshu, the largest island of Japan. It is part of the Greater Tokyo Area. It forms the eastern edge of Tokyo Bay, separating it from the Pacific Ocean. The peninsula covers ...

Chiba Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on ...

Order:
Rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
ia (rodents)

''Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two

incisor Incisors (from Latin ''incidere'', "to cut") are the front teeth present in most mammals. They are located in the premaxilla above and on the mandible below. Humans have a total of eight (two on each side, top and bottom). Opossums have 18, whe ...

s in the upper and lower jaw which grow continually and must be kept short by gnawing. Most rodents are small though the

capybara The capybaraAlso called capivara (in Brazil), capiguara (in Bolivia), chigüire, chigüiro, or fercho (in Colombia and Venezuela), carpincho (in Argentina, Paraguay and Uruguay) and ronsoco (in Peru). or greater capybara (''Hydrochoerus hydro ...

can weigh up to .'' *Suborder:

Hystricomorpha The term Hystricomorpha (from Greek ὕστριξ, ''hystrix'' 'porcupine' and Greek μορφή, ''morphē'' 'form') has had many definitions throughout its history. In the broadest sense, it refers to any rodent (except dipodoids) with a hystr ...

**Family:

Echimyidae Echimyidae is the family of neotropical spiny rats and their fossil relatives. This is the most species-rich family of hystricognath rodents. It is probably also the most ecologically diverse, with members ranging from fully arboreal to terres ...

(spiny rats) ***Subfamily:

Echimyinae Echimyinae is a subfamily of rodents belonging to the spiny rats family Echimyidae. It contains 14 arboreal genera—all the members of the tribe Echimyini, plus ''Callistomys''—a few terrestrial genera (''Thrichomys'', ''Hoplomys'', and ''Pro ...

****Genus: ''

Myocastor ''Myocastor'' is a genus of rodent that contains the living nutria (or coypu), as well as several fossil species. Taxonomy Due to similar cranial morphology, the nutria was once considered a close relative of the Caribbean hutias and placed toge ...

'' *****

Coypu The nutria (''Myocastor coypus''), also known as the coypu, is a large, herbivorous, semiaquatic rodent. Classified for a long time as the only member of the family Myocastoridae, ''Myocastor'' is now included within Echimyidae, the family of t ...

, ''Myocastor coypus'' ( introduced from South America) * Suborder:

Myomorpha The suborder Myomorpha contains 1,524 species of mouse-like rodents, nearly a quarter of all mammal species. Included are mice, rats, gerbils, hamsters, lemmings, and voles. They are grouped according to the structure of their jaws and molar ...

**Family:

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and has m ...

(hamsters, voles, lemmings, and New World rats and mice) ***Subfamily:

Arvicolinae The Arvicolinae are a subfamily of rodents that includes the voles, lemmings, and muskrats. They are most closely related to the other subfamilies in the Cricetidae (comprising the hamsters and New World rats and mice). Some authorities place ...

****Genus: ''

Microtus ''Microtus'' is a genus of voles found in North America, Europe and northern Asia. The genus name refers to the small ears of these animals. About 62 species are placed in the genus. They are stout rodents with short ears, legs and tails. They ea ...

'' ***** Japanese grass vole, ''Microtus montebelli'' (endemic;

Sado Island is a city located on in Niigata Prefecture, Japan. Since 2004, the city has comprised the entire island, although not all of its total area is urbanized. Sado is the sixth largest island of Japan in area following the four main islands and Ok ...

Notojima is a volcanic island in the Nanao Bay () portion of the Sea of Japan, less than 500 meters off the coast of the Ishikawa prefecture in Japan. Notojima Island is administered as part of Nanao city. The two bridges connecting Notojima to the ...

) ****Genus: '' Myodes'' *****

Grey red-backed vole The grey red-backed vole or the grey-sided vole (''Myodes rufocanus'') is a species of vole. An adult grey red-backed vole weighs 20-50 grams. This species ranges across northern Eurasia, including northern China, the northern Korean Peni ...

, ''Myodes rufocanus'' (

Hokkaidō is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...

and adjacent smaller islands) ***** Hokkaido red-backed vole, ''Myodes rex'' (

and adjacent smaller islands) ****** Mountain red-backed vole, ''Myodes rex montanus'' (MOE: NT)(

and adjacent smaller islands) ****** Rishiri red-backed vole, ''Myodes rex rex'' (MOE: NT)(

Rishiri Island is a high island in the Sea of Japan off the coast of Hokkaido, Japan. Administratively the island is part of Hokkaido Prefecture, and is divided between two towns, Rishiri and Rishirifuji. The island is formed by the cone-shaped extinct vol ...

) *****

Northern red-backed vole The northern red-backed vole (''Myodes rutilus'') is a small slender vole found in Alaska, northern Canada, Scandinavia and northern Russia.Banfield, A. W. F. 1974. The mammals of Canada. Toronto, University of Toronto Press. Description They h ...

, ''Myodes rutilus'' (

) ***** Japanese red-backed vole, ''Myodes andersoni'' (endemic; central and northern

) ***** Smith's red-backed vole, ''Myodes smithii'' (endemic;

) ****Genus: ''Ondatra'' *****

Muskrat The muskrat (''Ondatra zibethicus'') is a medium-sized semiaquatic rodent native to North America and an introduced species in parts of Europe, Asia, and South America. The muskrat is found in wetlands over a wide range of climates and habitat ...

, ''Ondatra zibethicus'' ( introduced from North America) **Family:

Muridae The Muridae, or murids, are the largest family of rodents and of mammals, containing approximately 1,383 species, including many species of mice, rats, and gerbils found naturally throughout Eurasia, Africa, and Australia. The name Muridae come ...

(mice, rats, gerbils, etc.) ***Subfamily:

Murinae The Old World rats and mice, part of the subfamily Murinae in the family Muridae, comprise at least 519 species. Members of this subfamily are called murines. In terms of species richness, this subfamily is larger than all mammal families excep ...

****Genus: ''

Apodemus ''Apodemus'' is a genus of Muridae (true mice and rats). The name is unrelated to that of the '' Mus'' genus, instead being derived from the Greek ἀπό-δημος (literally ''away from home''). Taxonomy Related to the Ryūkyū spiny rat ...

'' *****

Striped field mouse The striped field mouse (''Apodemus agrarius'') is a rodent in the family Muridae. The range of this species stretches from Eastern Europe to Eastern Asia. Synonyms Accepted synonyms include ''Apodemus albostriatus'' (Bechstein, 1801), ''Apode ...

, ''Apodemus agrarius'' (MOE: CR)( Uotsuri Island) *****

Korean field mouse The Korean field mouse (''Apodemus peninsulae''), also known as the Korean wood mouse, is a species of mouse. It is distributed across Northeastern Asia, including the Russian Far East, northern China, the Korean Peninsula, Sakhalin, and Hokkaidō ...

, ''Apodemus peninsulae'' (

) *****

Large Japanese field mouse The large Japanese field mouse (''Apodemus speciosus'') is a nocturnal species of rodent in the family Muridae. It is endemic to Japan. Distribution and habitat The species appears to be present on all Japanese islands. It inhabits forests, gras ...

, ''Apodemus speciosus'' (widely distributed; not found in

Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...

) *****

Small Japanese field mouse The small Japanese field mouse (''Apodemus argenteus'') is a species of rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of ...

, ''Apodemus argenteus'' (widely distributed; not found in

) ****Genus: ''

Tokudaia ''Tokudaia'' is a genus of murine rodent native to Japan. Known as Ryūkyū spiny rats or spinous country-rats, population groups exist on several non-contiguous islands. Despite differences in name and appearance, they are the closest living rel ...

'' ***** Muennink's spiny rat, ''Tokudaia muenninki'' (MOE: CR)(endemic to

;

) *****

Ryukyu spiny rat The Ryukyu spiny rat (''Tokudaia osimensis'') is a species of rodent in the family Muridae. Endemic to Amami Ōshima island in the Amami Islands of the Ryukyu archipelago of Japan, its natural habitat is subtropical moist broadleaf forest. Th ...

, ''Tokudaia osimensis'' (MOE: EN)(endemic to

Amami Ōshima , also known as Amami, is the largest island in the Amami archipelago between Kyūshū and Okinawa. It is one of the Satsunan Islands. The island, 712.35 km2 in area, has a population of approximately 73,000 people. Administratively it is d ...

;

) *****

Tokunoshima spiny rat The Tokunoshima spiny rat (''Tokudaia tokunoshimensis'') is a rodent found only on the island of Tokunoshima in the Ryukyu Islands of Japan. Due to its small habitat, it is considered endangered. It is commonly found in the secondary and primary ...

, ''Tokudaia tokunoshimensis'' (MOE: EN)(endemic to

Tokunoshima , also known in English as is an island in the Amami archipelago of the southern Satsunan Islands of Kagoshima Prefecture, Japan. The island, in area, has a population of approximately 27,000. The island is divided into three administrative ...

;

) ****Genus: ''

Diplothrix ''Diplothrix'' is a genus of two species of rodents in the family Muridae. ''Diplothrix legata'' occurs in the Ryukyu Islands of Japan. ''Diplothrix yangziensis ''Diplothrix'' is a genus of two species of rodents in the family Muridae. ''Dipl ...

'' *****

Ryukyu long-tailed giant rat The Ryukyu long-tailed giant rat or Ryukyu rat (''Diplothrix legata'') is a species of rodent in the family Muridae. It is the only extant species in the genus '' Diplothrix''. It is found only in the Ryukyu Islands of Japan. Its natural habit ...

, ''Diplothrix legata'' (MOE: EN)(endemic to

, and

;

) ****Genus: ''

Rattus ''Rattus'' is a genus of muroid rodents, all typically called rats. However, the term rat can also be applied to rodent species outside of this genus. Species and description The best-known ''Rattus'' species are the black rat (''R. rattus'') ...

'' *****

Brown rat The brown rat (''Rattus norvegicus''), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat, Norwegian rat and Parisian rat, is a widespread species of common rat. One of the largest muroids, it is a brown o ...

, ''Rattus norvegicus'' (concentrated in urban areas) *****

Polynesian rat The Polynesian rat, Pacific rat or little rat (''Rattus exulans''), known to the Māori as ''kiore'', is the third most widespread species of rat in the world behind the brown rat and black rat. The Polynesian rat originated in Southeast Asia, a ...

, ''Rattus exulans'' ( introduced onto

Miyako Island is the largest and the most populous island among the Miyako Islands of Okinawa Prefecture, Japan. Miyako Island is administered as part of the City of Miyakojima, which includes not only Miyako Island, but also five other populated islands ...

) ***** Tanezumi rat, ''Rattus tanezumi'' (concentrated in urban areas) ****Genus: ''

Micromys ''Micromys'' is a genus of small rodents in the subfamily Murinae. The genus contains two living species: the widespread Eurasian harvest mouse (''Micromys minutus'') of much of Europe and Asia; and the more restricted Indochinese harvest mouse ...

'' ***** Harvest mouse, ''Micromys minutus'' (not found in

, Tōhoku,

) ****Genus: '' Mus'' *****

Ryukyu mouse The Ryukyu mouse ('Mus caroli'') is a species of rodent in the family Muridae. It is found in Cambodia, China, Indonesia, Japan, Laos, Malaysia, Taiwan, Thailand, and Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the So ...

, ''Mus caroli'' (

) *****

House mouse The house mouse (''Mus musculus'') is a small mammal of the order Rodentia, characteristically having a pointed snout, large rounded ears, and a long and almost hairless tail. It is one of the most abundant species of the genus '' Mus''. Althoug ...

, ''Mus musculus'' (widely distributed;

commensal Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed. This is in contrast with mutualism, in which both organisms benefit fro ...

with humans) *Suborder:

Sciuromorpha Sciuromorpha ("squirrel-like") is a rodent clade that includes several different rodent families. It includes all members of the Sciuridae (the squirrel family) as well as the mountain beaver species. Traditionally, the term has been defined on ...

**Family:

Sciuridae Squirrels are members of the family Sciuridae, a family that includes small or medium-size rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squ ...

(squirrels) ***Subfamily:

Sciurinae Sciurinae is a subfamily of squirrels (in the family Sciuridae), uniting the flying squirrels with certain related tree squirrels. Older sources place the flying squirrels in a separate subfamily (Pteromyinae) and unite all remaining sciurids into ...

****Tribe:

Sciurini Sciurini is a tribe (taxonomy), tribe that includes about forty species of squirrels,Thorington and Hoffmann, 2005, p. 754 mostly from the Americas. It includes five living genera—the American dwarf squirrels, ''Microsciurus''; the Bornean ...

*****Genus: ''

Sciurus The genus ''Sciurus'' contains most of the common, bushy-tailed squirrels in North America, Europe, temperate Asia, Central America and South America. Species The number of species in the genus is subject to change. In 2005, Thorington & Hoffma ...

'' ******

Eurasian red squirrel The red squirrel (''Sciurus vulgaris'') is a species of tree squirrel in the genus ''Sciurus'' common throughout Europe and Asia. The red squirrel is an arboreal, primarily herbivorous rodent. In Great Britain, Ireland, and in Italy numbers ...

, ''Sciurus vulgaris'' ******* , ''Sciurus vulgaris orientis''(

) ******

Japanese squirrel The Japanese squirrel (''Sciurus lis'') is a tree squirrel in the genus ''Sciurus'' endemic to Japan. It was described by Dutch zoologist Coenraad Jacob Temminck in 1844. The Japanese squirrel's range includes the islands of Honshū, Shikoku, and ...

, ''Sciurus lis'' (endemic;

and

; no recent records from

or Awaji Island) ****Tribe: Pteromyini *****Genus: ''

Petaurista ''Petaurista'' is a genus of rodent in the family Sciuridae. They are large to very large flying squirrels found in forests and other wooded habitats in southern and eastern Asia. Like other flying squirrels, they are mostly nocturnal and able ...

'' ******

Japanese giant flying squirrel The is a species of flying squirrel, one of the giant flying squirrels in the genus ''Petaurista''. Description Like other flying squirrels, it has a web of skin between its legs which it uses to glide between trees. Glides of 160 metres have ...

, ''Petaurista leucogenys'' (endemic;

, and

) *****Genus: '' Pteromys'' ******

Japanese dwarf flying squirrel The Japanese dwarf flying squirrel (''Pteromys momonga''; Japanese: ニホンモモンガ, Hepburn: ''Nihon momonga'') is one of two species of Old World flying squirrels in the genus ''Pteromys''. During the day this squirrel hides in a hole, ...

, ''Pteromys momonga'' (endemic;

) ******

Siberian flying squirrel The Siberian flying squirrel (''Pteromys volans'') is an Old World flying squirrel ranging from the Baltic Sea in the west, throughout Northern Asia to the coast of the Pacific Ocean in the east. It is the only species of flying squirrel in Euro ...

, ''Pteromys volans'' (found on

, as ''P. v. orii'') *******

, ''Pteromys volans orii''(

) ***Subfamily: Callosciurinae ****Tribe: Callosciurini *****Genus:

Callosciurus ''Callosciurus'' is a genus of squirrels collectively referred to as the "''beautiful squirrels''". They are found mainly in Southeast Asia, though a few species also occur in Nepal, northeastern India, Bangladesh and southern China. Several of t ...

****** Pallas's squirrel, Callosciurus erythraeus ( introduced; naturalized populations from Ibaraki to Miyazaki) ***Subfamily:

Xerinae The Xerinae comprise a subfamily of squirrels, many of which are highly terrestrial. It includes the tribes Marmotini (marmots, chipmunks, prairie dogs, and other Holarctic ground squirrels), Xerini (African and some Eurasian ground squirrels), ...

****Tribe: Marmotini *****Genus: ''

Tamias ''Tamias'' is a genus of chipmunks in the tribe Marmotini of the squirrel family. The genus includes a single living species, the eastern chipmunk (''Tamias striatus''). The genus name ''Tamias'' ( el, ταμίας) means "treasurer", "steward", ...

'' ******

Siberian chipmunk The Siberian chipmunk (''Eutamias sibiricus''), also called common chipmunk is native to northern Asia from central Russia to China, Korea, and Hokkaidō in northern Japan. It was imported from South Korea and introduced in Europe as a pet in th ...

, ''Tamias sibiricus'' (

and adjacent smaller islands) ******* Ezo chipmunk, ''Tamias sibiricus lineatus'' (MOE: DD) **Family: Gliridae (dormice) ***Subfamily:

Glirinae The Glirinae are a subfamily of dormice (Gliridae); it contains two extant genera, one being monotypic and the other containing two species: Subfamily Glirinae *Genus ''Glirulus'' **Japanese dormouse, ''Glirulus japonicus'' *Genus ''Glis'' **Eur ...

****Genus: ''

Glirulus ''Glirulus'' is a genus of dormouse. The only extanct species is the Japanese dormouse ''(Glirulus japonicus)'' but fossil species indicate that the genus was widespread in Europe Europe is a large peninsula conventionally considered a co ...

'' *****

Japanese dormouse The Japanese dormouse (''Glirulus japonicus'') is a species of rodent in the family Gliridae endemic to Japan. It is the only extant species within the genus ''Glirulus''.Holden, M. E.. 2005. Family Gliridae. pp. 819–841 ''in'' Mammal ...

, ''Glirulus japonicus'' (endemic;

Dōgojima is one of the Oki Islands in the Sea of Japan. The island, 241.58 km² in area, has a population of approximately 14,849 people. The island is administered by the town of Okinoshima in Shimane Prefecture. Much of the island is within the b ...

;

)

Order:
Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae (pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ� ...
(hares, rabbits, and pikas)

''The lagomorphs comprise two families,

Leporidae Leporidae is the family of rabbits and hares, containing over 60 species of extant mammals in all. The Latin word ''Leporidae'' means "those that resemble ''lepus''" (hare). Together with the pikas, the Leporidae constitute the mammalian order ...

(

hare Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The ge ...

s and

rabbit Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). ''Oryctolagus cuniculus'' includes the European rabbit speci ...

s), and Ochotonidae (

pika A pika ( or ; archaically spelled pica) is a small, mountain-dwelling mammal found in Asia and North America. With short limbs, very round body, an even coat of fur, and no external tail, they resemble their close relative, the rabbit, but wi ...

s). Though they can resemble

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

s, and were classified as a

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

in that order until the early 20th century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having four incisors in the upper jaw rather than two.'' *Family:

(hares and rabbits) **Genus: ''

Lepus Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The gen ...

'' ***

Japanese hare The Japanese hare (''Lepus brachyurus'') is a species of hare endemic to Japan. In Japanese, it is called the ''Nousagi'' (Japanese: 野兎), meaning "field rabbit". Taxonomy Coenraad Jacob Temminck described the Japanese hare in 1845. The specif ...

, ''Lepus brachyurus'' (endemic;

, and adjacent smaller islands) **** Sado hare, ''Lepus brachyurus lyoni'' (MOE: NT)(

) ***

Mountain hare The mountain hare (''Lepus timidus''), also known as blue hare, tundra hare, variable hare, white hare, snow hare, alpine hare, and Irish hare, is a Palearctic hare that is largely adapted to polar and mountainous habitats. Evolution The mountai ...

, ''Lepus timidus'' (

Kunashiri , other_names = kz, Kün Ashyr; ja, 国後島 , location = Sea of Okhotsk , locator_map = File:Kurily Kunashir.svg , coordinates = , archipelago = Kuril Islands , total_islands = , major_islands = , area = , length = , width = fr ...

Etorofu , other_names = russian: Итуру́п; ja, 択捉島 , location = Sea of Okhotsk , coordinates = , archipelago = Kuril Islands , total_islands = , major_islands = , area_km2 = 3139 , length_km = 200 , width_km = 27 , coastline = , highest_moun ...

) ****, ''Lepus timidus ainu''(

) **Genus: ''

Oryctolagus ''Oryctolagus'' is a genus of lagomorph that today contains the European rabbit and its descendant, the domestic rabbit, as well as several fossil species. The generic name derives from Ancient Greek ὀρυκτός (''oryktos'', “dug up”) ...

'' ***

European rabbit The European rabbit (''Oryctolagus cuniculus'') or coney is a species of rabbit native to the Iberian Peninsula (including Spain, Portugal, and southwestern France), western France, and the northern Atlas Mountains in northwest Africa. It has ...

, ''Oryctolagus cuniculus'' (introduced;

on thirteen islands) **Genus: ''

Pentalagus The Amami rabbit (''Pentalagus furnessi''; ), or , also known as the Ryukyu rabbit is a dark-furred rabbit which is only found in Amami Ōshima and Toku-no-Shima, two small islands between southern Kyūshū and Okinawa in Kagoshima Prefecture ...

'' ***

Amami rabbit The Amami rabbit (''Pentalagus furnessi''; ), or , also known as the Ryukyu rabbit is a dark-furred rabbit which is only found in Amami Ōshima and Toku-no-Shima, two small islands between southern Kyūshū and Okinawa in Kagoshima Prefecture ...

, ''Pentalagus furnessi'' (MOE: EN)(endemic to

and

; Special Natural Monument) *Family: Ochotonidae (pikas) **Genus: ''

Ochotona A pika ( or ; archaically spelled pica) is a small, mountain-dwelling mammal found in Asia and North America. With short limbs, very round body, an even coat of fur, and no external tail, they resemble their close relative, the rabbit, but ...

'' ***

Northern pika The northern pika (''Ochotona hyperborea'') is a species of pika found across mountainous regions of northern Asia, from the Ural Mountains to northern Japan and south through Mongolia, Manchuria and northern Korea. An adult northern pika has a b ...

, ''Ochotona hyperborea'' **** , ''Ochotona hyperborea yesoensis'' (MOE: NT)(

)

Order:
Eulipotyphla Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the afr ...
(hedgehogs, shrews, and moles)

''Eulipotyphlans are insectivorous mammals.

Shrew Shrews (family Soricidae) are small mole-like mammals classified in the order Eulipotyphla. True shrews are not to be confused with treeshrews, otter shrews, elephant shrews, West Indies shrews, or marsupial shrews, which belong to different fa ...

s and

solenodon Solenodons (from el, τέλειος , 'channel' or 'pipe' and el, ὀδούς , 'tooth') are venomous, nocturnal, burrowing, insectivorous mammals belonging to the family Solenodontidae . The two living solenodon species are the Cuban solen ...

s resemble mice,

hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introducti ...

s carry spines,

gymnure Gymnures, also called hairy hedgehogs or moonrats, are mammals belonging to the subfamily Galericinae, in the family Erinaceidae and the order Eulipotyphla. Gymnures resemble rats but are not closely related as they are not rodents; they are ...

s look more like large rats, while

mole Mole (or Molé) may refer to: Animals * Mole (animal) or "true mole", mammals in the family Talpidae, found in Eurasia and North America * Golden moles, southern African mammals in the family Chrysochloridae, similar to but unrelated to Talpida ...

s are stout-bodied burrowers.'' *Family:

Erinaceidae Erinaceidae is a family in the order Eulipotyphla, consisting of the hedgehogs and moonrats. Until recently, it was assigned to the order Erinaceomorpha, which has been subsumed with the paraphyletic Soricomorpha into Eulipotyphla. Eulipotyphla ...

(hedgehogs and moonrats) **Subfamily:

Erinaceinae A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introducti ...

***Genus: ''

Erinaceus ''Erinaceus'' is a genus of hedgehog from the family of Erinaceidae. There are four main species of ''Erinaceus''. The range is all across Europe, throughout the Middle East, parts of Russia, and extending to northern China and Korea. The Euro ...

'' ****

Amur hedgehog The Amur hedgehog (''Erinaceus amurensis''), also called the Manchurian hedgehog, is a hedgehog similar to the European hedgehog in appearance and behaviour, although it is more lightly coloured. It is native to Amur Oblast and Primorye in Russia ...

, ''Erinaceus amurensis'' ( introduced; populations in the

Odawara is a city in Kanagawa Prefecture, Japan. , the city had an estimated population of 188,482 and a population density of 1,700 persons per km2. The total area of the city is . Geography Odawara lies in the Ashigara Plains, in the far western por ...

area and on the

Izu Peninsula The is a large mountainous peninsula with a deeply indented coastline to the west of Tokyo on the Pacific coast of the island of Honshu, Japan. Formerly known as Izu Province, Izu peninsula is now a part of Shizuoka Prefecture. The peninsul ...

) *Family: Soricidae (shrews) **Subfamily:

Crocidurinae The white-toothed shrews or Crocidurinae are one of three subfamilies of the shrew family Soricidae. The outer layer of these shrews' teeth is white, unlike that of the red-toothed shrews. These species are typically found in Africa and souther ...

***Genus: ''

Crocidura The genus ''Crocidura'' is one of nine genus, genera of the shrew subfamily Crocidurinae. Members of the genus are commonly called white-toothed shrews or musk shrews, although both also apply to all of the species in the subfamily. With over 18 ...

'' **** Asian lesser white-toothed shrew, ''Crocidura shantungensis'' (MOE: NT)(

Tsushima Island is an island of the Japanese archipelago situated in-between the Tsushima Strait and Korea Strait, approximately halfway between Kyushu and the Korean Peninsula. The main island of Tsushima, once a single island, was divided into two in 1671 b ...

) **** Watase's shrew, ''Crocidura watasei'' (MOE: NT)(endemic to the

Ryūkyū Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonaguni ...

) **** Dsinezumi shrew, ''Crocidura dsinezumi'' (from

Kagoshima , abbreviated to , is the capital city of Kagoshima Prefecture, Japan. Located at the southwestern tip of the island of Kyushu, Kagoshima is the largest city in the prefecture by some margin. It has been nicknamed the "Naples of the Eastern wor ...

; also Jeju Island) **** Orii's shrew, ''Crocidura orii'' (MOE: EN)(endemic to the

Amami Islands The The name ''Amami-guntō'' was standardized on February 15, 2010. Prior to that, another name, ''Amami shotō'' (奄美諸島), was also used. is an archipelago in the Satsunan Islands, which is part of the Ryukyu Islands, and is southwest o ...

) ***Genus: ''

Suncus ''Suncus'' is a genus of shrews in the family Soricidae. Classification *Genus ''Suncus'' ** Taita shrew, ''Suncus aequatorius'' ** Black shrew, ''Suncus ater'' ** Day's shrew, ''Suncus dayi'' ** Etruscan shrew, ''Suncus etruscus'' ** Sri Lan ...

'' ****

House shrew The Asian house shrew (''Suncus murinus'') is a shrew species native to South and Southeast Asia that has been listed as Least Concern on the IUCN Red List since 2008 because of its large population and wide distribution. It has been introduced i ...

, ''Suncus murinus'' (

Fukue Island is the largest and southernmost of the Gotō Islands in Japan. It is part of the city of Gotō, Nagasaki, Gotō in Nagasaki Prefecture. Gotō-Fukue Airport is on this island. As of July 31, 2016, the population is 38,481.Kyūshū is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...

(

Nagasaki is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan. It became the sole port used for trade with the Portuguese and Dutch during the 16th through 19th centuries. The Hidden Christian Sites in the ...

)) **Subfamily:

Soricinae The red-toothed shrews of the subfamily Soricinae are one of three living subfamilies of shrews, along with Crocidurinae (white-toothed shrews) and Myosoricinae (African white-toothed shrews). In addition, the family contains the extinct subfamil ...

***Tribe:

Nectogalini Nectogalini is a tribe of Old World water shrews within the family Soricidae. As of late 2007, it consisted of six extant genera and 25 species, with some of the latter being further divided into subspecies. Adaptation to semiaquatic life M ...

****Genus: ''

Chimarrogale The Asiatic water shrews are the members of the genus ''Chimarrogale''. They are mammals in the subfamily Soricinae of the family Soricidae. They are aquatic, with some species inhabiting streams. The genus contains the following species: * Mala ...

'' ***** Japanese water shrew, ''Chimarrogale platycephalus'' (endemic;

and

) ***Tribe: Soricini ****Genus: ''

Sorex The genus ''Sorex'' includes many of the common shrews of Eurasia and North America, and contains at least 142 known species and subspecies. Members of this genus, known as long-tailed shrews, are the only members of the tribe Soricini of the su ...

'' *****

Slender shrew The slender shrew (''Sorex gracillimus'') is a species of shrew. An adult slender shrew has a weight of and a body length of , with a tail of ; this makes it one of the smaller shrews found in its range. It is distributed across northeastern Nort ...

, ''Sorex gracillimus'' (

and adjacent smaller islands) ***** Azumi shrew, ''Sorex hosonoi'' (MOE: NT)(endemic; central

) *****

Eurasian least shrew The Eurasian least shrew (''Sorex minutissimus''), also called the lesser pygmy shrew, is the second-smallest mammal by mass after the Etruscan shrew. Appearance The Eurasian least shrew weighs only and has a body less than long, with a tai ...

, ''Sorex minutissimus'' ****** , ''Sorex minutissimus hawkeri'' (MOE: VU)(

Kenbokki Island is an uninhabited island in Hamanaka, Hokkaidō, Japan. It forms part of Akkeshi Prefectural Natural Park. The name is derived from the Ainu ''kene-pok'' or "beneath the alder" (''Alnus japonica''). During studies in 1999, four species of mam ...

) *****

Shinto shrew The Shinto shrew (''Sorex shinto'') is a species of shrew of the genus ''Sorex'' that lives only on the islands of Japan. It is a mole-like mammal with a pointed snout, very small ears, and a relatively long tail. Like most shrews, it is tiny, ha ...

, ''Sorex shinto'' (endemic; subspecies on

, and

) ****** Shikoku shrew, ''Sorex shinto shikokensis'' (MOE: NT)(

) ***** Laxmann's shrew, ''Sorex caecutiens'' (

) *****

Long-clawed shrew The long-clawed shrew (''Sorex unguiculatus'') is a species of shrew. An adult long-clawed shrew has a weight of less than and a body length of to , with a tail of to . It is distributed through the uplands of northeastern Asia, including nor ...

, ''Sorex unguiculatus'' (

and adjacent smaller islands) *Family:

Talpidae The family Talpidae () includes the moles (some of whom are called shrew moles and desmans) who are small insectivorous mammals of the order Eulipotyphla. Talpids are all digging animals to various degrees: moles are completely subterranean a ...

(moles) **Subfamily:

Talpinae The subfamily Talpinae, sometimes called "Old World moles" or "Old World moles and relatives", is one of three subfamilies of the mole family Talpidae, the others being the Scalopinae, or New World moles, and the Uropsilinae, or shrew-like moles. ...

***Tribe:

Talpini Talpini is a tribe of mammals known as Old World Moles. It is a division of the subfamily Talpinae. This tribe contains the following genera and species: * Tribe Talpini ** Genus '' Euroscaptor'' *** Greater Chinese mole, ''E. grandis'' ** ...

****Genus: ''

Euroscaptor ''Euroscaptor'' is a genus of mammal in the family Talpidae. Members are found in China and South & Southeast Asia. It contains the following species as of October 2021: * Greater Chinese mole (''Euroscaptor grandis'') * Kloss's mole (''Euros ...

'' ***** Japanese mountain mole, ''Euroscaptor mizura'' (MOE: NT)(endemic;

) ****Genus: ''

Mogera ''Mogera'' is a genus of mammals in the family Talpidae. Moles in this genus differ from Old World moles in the genus ''Talpa'' in having one fewer pairs of lower incisors and in having larger hind premolars in the lower jaw. Species The gen ...

'' *****

Small Japanese mole The small Japanese mole (''Mogera imaizumii'') is a species of mammal in the family Talpidae. It is endemic to Japan. Even though they are extinct in central Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京� ...

, ''Mogera imaizumii'' (endemic;

, and adjacent smaller islands) *****

Japanese mole The Japanese mole (''Mogera wogura''), also known as Temminck's mole, is a species of mole endemic to Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacifi ...

, ''Mogera wogura'' (endemic; southern

, and adjacent smaller islands) *****

Echigo mole The Echigo mole (''Mogera etigo'') is an endangered species of mammal in the family Talpidae. It is endemic to Japan, being found only on the Echigo plain, Niigata prefecture is a prefecture in the Chūbu region of Honshu of Japan. N ...

, ''Mogera etigo'' (MOE: EN)(endemic; Niigata) *****

Sado mole The Sado mole or Tokuda's mole (''Mogera tokudae'') is a species of mammal in the family Talpidae. It is endemic to Sado Island is a city located on in Niigata Prefecture, Japan. Since 2004, the city has comprised the entire island, altho ...

, ''Mogera tokudae'' (MOE: NT)(endemic to

) *****

Senkaku mole The Senkaku mole (''Mogera uchidai''), also known as the Ryukyu mole, is a species of mammal in the family Talpidae. It was formerly classified as being the only species in the genus '' Nesoscaptor''. It is endemic to the Uotsuri-jima ( ja, 魚� ...

, ''Mogera uchidai'' (MOE: CR)(endemic to Uotsuri Island) ***Tribe:

Urotrichini Urotrichini is a tribe of the mole family, and consists of Japanese and American shrew-moles. They belong to the Old World moles and relatives branch of the mole family (Talpidae). There are only two species, each of which represents its own g ...

****Genus: '' Urotrichus'' *****

True's shrew mole True's shrew mole (''Dymecodon pilirostris'') is a species of mammal in the family Talpidae. It is endemic to Japan (Honshu, Shikoku and Kyushu) and is a common species above 1000 meters in grassland, shrubland and forest. Sometimes this speci ...

, ''Dymecodon pilirostris'' (endemic;

) *****

Japanese shrew mole The Japanese shrew mole (''Urotrichus talpoides'') or is a species of mammal in the family Talpidae. It is endemic to Japan and is found on Honshu, Shikoku, Kyushu, Awaji Island, Shodo Island, Oki Islands, Tsushima Island, Goto Islands, Mis ...

, ''Urotrichus talpoides'' (endemic;

, and adjacent smaller islands)

Order:
Chiroptera Bats are mammals of the Order (biology), order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in fli ...
(bats)

''The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals.'' *Family: Pteropodidae (flying foxes, Old World fruit bats) **Subfamily:

Pteropodinae The Pteropodinae are a subfamily of megabats. Taxa within this subfamily are: * Genus ''Acerodon'' **Sulawesi flying fox, ''A. celebensis'' **Talaud flying fox, ''A. humilis'' **Giant golden-crowned flying fox, ''A. jubatus'' **Palawan fruit bat ...

***Genus: ''

Pteropus ''Pteropus'' (suborder Yinpterochiroptera) is a genus of megabats which are among the largest bats in the world. They are commonly known as fruit bats or flying foxes, among other colloquial names. They live in South Asia, Southeast Asia, Austra ...

'' ****

Ryukyu flying fox The Ryukyu flying fox or Ryukyu fruit bat (''Pteropus dasymallus'') is a species of megabat in the family Pteropodidae. It is found in Japan, Taiwan, and the Batanes and Babuyan Islands of the Philippines. Its natural habitats are subtropical ...

, ''Pteropus dasymallus'' (

) ***** Daito flying fox, ''Pteropus dasymallus daitoensis'' (MOE: CR)(

Daitō Islands The are an archipelago consisting of three isolated coral islands in the Philippine Sea southeast of Okinawa. The islands have a total area of and a population of 2,107. Administratively, the whole group belongs to Shimajiri District of Okinawa ...

;

) ***** Erabu flying fox, ''Pteropus dasymallus dasymallus'' (MOE: CR)(

Ōsumi Islands The is an archipelago in the Nansei Islands, and are the northernmost group of the Satsunan Islands, which is in turn part of the Ryukyu Archipelago. The chain extends from the southern tip of Kyushu to Yakushima. Administratively, the group belo ...

and

Tokara Islands The is an archipelago in the Nansei Islands, and are part of the Satsunan Islands, which is in turn part of the Ryukyu Archipelago. The chain consists of twelve small islands located between Yakushima and Amami-Oshima. The islands have a total ...

) **** Okinawa flying fox, ''Pteropus loochoensis'' (MOE: EX)(not found since a C19 record) ****

Bonin flying fox The Bonin flying fox, Bonin fruit bat (''Pteropus pselaphon''), or in Japanese is a species of flying fox in the family Pteropodidae. It is endemic to four islands (Chichijima, Hahajima, North Iwo Jima, and South Iwo Jima) in Ogasawara Islands, ...

, ''Pteropus pselaphon'' (MOE: EN)(endemic to

Bonin Islands The Bonin Islands, also known as the , are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan and northwest of Guam. The name "Bonin Islands" comes from the Japanese word ''bunin'' (an archaic readi ...

and

Volcano Islands The or are a group of three Japanese-governed islands in Micronesia. They lie south of the Ogasawara Islands and belong to the municipality of Ogasawara, Tokyo, Tokyo Metropolis, Japan. The islands are all active volcanoes lying atop ...

) *Family:

Hipposideridae The Hipposideridae are a family of bats commonly known as the Old World leaf-nosed bats. While it has often been seen as a subfamily, Hipposiderinae, of the family Rhinolophidae, it is now more generally classified as its own family.Simmons, 20 ...

**Genus: ''

Hipposideros ''Hipposideros'' is one of the most diverse genera of bats, with more than 70 species. They are collectively called roundleaf bats after the shape of their nasal ornament. It is the type genus of the family Hipposideridae. It is divided into spe ...

'' *** Lesser great leaf-nosed bat, ''Hipposideros turpis'' (endemic to

Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa ...

) *Family: Rhinolophidae **Genus: '' Rhinolophus'' ***

Greater horseshoe bat The greater horseshoe bat (''Rhinolophus ferrumequinum'') is an insectivorous bat of the genus '' Rhinolophus''. Its distribution covers Europe, Northern Africa, Central Asia and Eastern Asia. It is the largest of the horseshoe bats in Europe an ...

, ''Rhinolophus ferrumequinum'' (widely distributed) *** Little Japanese horseshoe bat, ''Rhinolophus cornutus'' (endemic; widely distributed) **** Orii's least horseshoe bat, ''Rhinolophus cornutus orii'' (MOE: EN)(

) *** , ''Rhinolophus pumilus'' (endemic to

) **** , ''Rhinolophus pumilus pumilus'' (MOE: EN)(

) **** , ''Rhinolophus pumilus miyakonis'' (MOE: EX)(

) *** Yaeyama little horseshoe bat, ''Rhinolophus perditus'' (MOE: VU)(endemic to the

) **** Imaizumi's horseshoe bat, ''Rhinolophus perditus imaizumii''(

Iriomote is the largest of the Yaeyama Islands of Japan, and the second largest in Okinawa Prefecture after Okinawa Island itself. The island has an area of and a 2005 population of 2,347. The island does not have an airstrip, and most visitors — ov ...

) *Family: Molossidae **Genus: ''

Tadarida The genus ''Tadarida'' has 9 or more species of free-tailed bats divided into two subgenera, with the first of these containing seven species spread across the Old World (including southern Europe and North Africa, large parts of southern Asia, ...

'' *** East Asian free-tailed bat, ''Tadarida insignis'' (MOE: VU)(not found in

) *** La Touche's free-tailed bat, ''Tadarida latouchei'' (MOE: DD)(

, Kuchinoerabu-jima) *Family:

Miniopteridae ''Miniopterus'', known as the bent-winged or long winged bats, is the sole genus of the family Miniopteridae. They are small flying insectivorous mammals, micro-bats of the order Chiroptera, with wings over twice the length of the body. The genus ...

**Genus: ''

Miniopterus ''Miniopterus'', known as the bent-winged or long winged bats, is the sole genus of the family Miniopteridae. They are small flying insectivorous mammals, micro-bats of the order Chiroptera, with wings over twice the length of the body. The genus ...

'' ***

Eastern bent-wing bat The eastern bent-wing bat, (''Miniopterus fuliginosus'') is a species of vesper bat in the family Miniopteridae. It is found in South Asia, Far-east Asia, the east Caucasus Mountains and also in Southeast Asian regions. Description They exhibit ...

, ''Miniopterus fuliginosus'' (

, and adjacent smaller islands) *** Southeast Asian long-fingered bat, ''Miniopterus fuscus'' (MOE: EN)(endemic to

) *Family:

Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

**Subfamily:

Vespertilioninae The Vespertilioninae are a subfamily of vesper bats from the family Vespertilionidae. Classification Subfamily Vespertilioninae *Tribe Antrozoini **Genus '' Antrozous'' *** Pallid bat, ''Antrozous pallidus'' **Genus '' Bauerus'' *** Van Geld ...

***Genus: ''

Eptesicus ''Eptesicus'' is a genus of bats, commonly called house bats or serotine bats, in the family Vespertilionidae. The genus name is likely derived from the Greek words ''ptetikos'' 'able to fly' or ''petomai'' 'house flier', although this is not ce ...

'' ****

Japanese short-tailed bat The Japanese short-tailed bat (''Eptesicus japonensis'') is a species of bat belonging to the family Vespertilionidae. It is endemic to Japan where it is found at the base of the northern Japanese Alps, the Chichibu Mountains and Oze National P ...

, ''Eptesicus japonensis'' (MOE: VU)(endemic; central

) ****

Northern bat The northern bat (''Eptesicus nilssonii'') is the most abundant species of bat in northern Eurasia occurring from England to Hokkaidō and south to northern India. Description The northern bat is dark brown or black with some gold touched at th ...

, ''Eptesicus nilssoni'' (

) ***Genus: ''

Nyctalus ''Nyctalus'' is a genus of vespertilionid bats commonly known as the noctule bats. They are distributed in the temperate and subtropical areas of Europe, Asia and North Africa. There are eight species within this genus: *Birdlike noctule, ''Nyc ...

'' ****

Birdlike noctule The birdlike noctule (''Nyctalus aviator'') is a species of bat. It nests in the holes in old trees and buildings, and sometimes in mineshafts. It is distributed across Northeast Asia, from northeast China and Siberia through the Korean Peninsu ...

, ''Nyctalus aviator'' (MOE: VU)(widely distributed) ****

Japanese noctule The Japanese noctule (''Nyctalus furvus'') is a species of bat belonging to the family Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vespe ...

, ''Nyctalus furvus'' (MOE: EN)(endemic; central and northern

) ***Genus: ''

Pipistrellus ''Pipistrellus'' is a genus of bats in the family Vespertilionidae and subfamily Vespertilioninae. The name of the genus is derived from the Italian language, Italian word , meaning "bat" (from Latin "bird of evening, bat"). The size of the ge ...

'' ****

Japanese pipistrelle The Japanese house bat or Japanese pipistrelle (''Pipistrellus abramus'') is a species of vesper bat. An adult has a body length of , a tail of , and a wing length of . It prefers to roost under the ceiling or inside the roof of old buildings. I ...

, ''Pipistrellus abramus'' (widely distributed) ****

Endo's pipistrelle Endo's pipistrelle (''Pipistrellus endoi'') is a species of vesper bat that is endemic to Japan. It is found in temperate forests. Etymology This species was described by Japanese zoologist Yoshinori Imaizumi in 1959. He named it ''endoi'' af ...

, ''Pipistrellus endoi'' (MOE: VU)(endemic;

and

) **** Sturdee's pipistrelle, ''Pipistrellus sturdeei'' (MOE: EX)(endemic; not found since the

type specimen In biology, a type is a particular wiktionary:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to a ...

was collected on

Hahajima , native_name_link = , image_caption = Map of the Hahajima Rettō (Imōtojima is mislabeled as Tori-shima) , image_size = , pushpin_map = Japan complete , pushpin_label = Hahajima , pushpin_label_position = , pushp ...

in 1915) ***Genus: ''

Barbastella ''Barbastella'' is a genus of vespertilionid bats. There are seven extant species in this genus and one only known from fossil remains. Species The genus consists of the following species: * ''Barbastella barbastellus'' – western barbastelle ...

'' ****

Asian barbastelle The eastern barbastelle or Asian barbastelle (''Barbastella darjelingensis'') is a species of vesper bat found throughout much of Asia, from Afghanistan to Taiwan. Taxonomy It was described by Brian Houghton Hodgson in 1855, and was previously ...

, ''Barbastella leucomelas'' ***** Eastern barbastelle, ''Barbastella leucomelas darielingensis''(

and

) ***Genus: ''

Plecotus ''Plecotus'' is a genus of vesper bat, commonly called long-eared bats. They are found throughout Eurasia and northern Africa. Many species in the genus have only been described and recognized in recent years. Species Genus ''Plecotus'' – lon ...

'' ****

Japanese long-eared bat The Japanese long-eared bat (''Plecotus sacrimontis'') is a species of vesper bat endemic to Japan, where it is found in Hokkaido, Honshu and Shikoku. It has distinctive, long ears, hence its Japanese name, the 'rabbit bat'. Formerly included a ...

, ''Plecotus sacrimontis'' (endemic; not found in

) ***Genus: ''

Hypsugo The genus ''Hypsugo'' contains many bats referred to as pipistrelles or pipistrelle bats (not to be confused with the genus ''Pipistrellus''). They belong to the family Vespertilionidae or vesper bats. They are primarily found throughout Asia, th ...

'' ****

Alashanian pipistrelle The Alashanian pipistrelle (''Hypsugo alaschanicus'') is a species of bat in the family Vespertilionidae. It is found in China, South Korea, Mongolia, Japan, and Russia. It is assessed as least-concern by the IUCN. Taxonomy This species was f ...

, ''Hypsugo alaschanicus'' (MOE: DD)(found in

and

, and on

) ****

Savi's pipistrelle Savi's pipistrelle (''Hypsugo savii'' sometimes classified as ''Pipistrellus savii'') is a species of vesper bat found across North West Africa, the Mediterranean region and the Middle East. It feeds at night on flying insects. In the summer it ro ...

, ''Hypsugo savii'' ***Genus: ''

Vespertilio ''Vespertilio'' is a genus of bats in the family Vespertilionidae. The common name for this family is vesper bats, which is a better-known classification than ''Vespertilio''. They are also known as frosted bats. Species within the genus ''Vespe ...

'' **** Particoloured bat, ''Vespertilio murinus'' (MOE: DD)(found in

, and Ishikawa) **** Asian particoloured bat, ''Vespertilio sinensis'' (widely distributed; not found in

) **Subfamily:

Myotinae Myotinae is a subfamily of vesper bats. It contains three genera: ''Eudiscopus'', '' Myotis'', and ''Submyotodon''. Before the description of ''Submyotodon'' and analysis of its phylogenetics, as well as a phylogenetic analysis of ''Eudiscopus'', ...

***Genus: ''

Myotis The mouse-eared bats or myotises are a diverse and widespread genus (''Myotis'') of bats within the family Vespertilionidae. The noun "''myotis''" itself is a New Latin construction, from the Greek "''muós'' (meaning "mouse") and "''oûs''" (mea ...

'' **** Red and black Myotis, ''Myotis rufoniger'' (MOE: CR) (as

Hodgson's bat Hodgson's bat (''Myotis formosus''), also called the copper-winged bat or black-and-orange myotis, is a species of vesper bat in the genus ''Myotis'', the mouse-eared bats. Favouring mountain forests, it is found throughout Central, Southeast, an ...

, ''Myotis formosus'')(found on Tsushima) **** Fraternal myotis, ''Myotis frater'' (north from

Gifu is a city located in the south-central portion of Gifu Prefecture, Japan, and serves as the prefectural capital. The city has played an important role in Japan's history because of its location in the middle of the country. During the Sengoku ...

) **** Ussuri whiskered bat, ''Myotis gracilis'' (as Siberian bat ''Myotis sibiricus'') (MOE: VU)(

) **** Ikonnikov's bat, ''Myotis ikonnikovi'' (

) ****

Big-footed myotis The eastern long-fingered bat, or big-footed myotis (''Myotis macrodactylus'') is a species of vesper bat. An adult big-footed myotis has a body length of 4.1-4.8 cm, a tail of 3.1-4.9 cm, and a wing length of 3.7-4.2 cm. It nes ...

, ''Myotis macrodactylus'' (widely distributed) **** Far Eastern myotis, ''Myotis bombinus'' (MOE: VU) (as ''Myotis nattereri bombinus'')(widely distributed; not found in

) **** Eastern water bat, ''Myotis petax'' (

) **** Frosted myotis, ''Myotis pruinosus'' (MOE: VU)(endemic;

) ****

, ''Myotis yanbarensis'' (MOE: CR)(endemic to

) **Subfamily:

Murininae The Murininae are a subfamily of bats in the family Vespertilionidae. They include the tube-nosed bats and hairy-winged bats in the genera ''Murina'', ''Harpiola'', and ''Harpiocephalus''. Subfamily Murininae *Genus ''Murina'' – tube-no ...

***Genus: ''

Murina ''Murina'' is a genus of vesper bats. They are found throughout temperate and tropical regions of Asia. Taxonomy Species list based on American Society of Mammalogists and ITIS The Integrated Taxonomic Information System (ITIS) is an Am ...

'' ****

Hilgendorf's tube-nosed bat Hilgendorf's tube-nosed bat (''Murina hilgendorfi'') is a species of vesper bat in the family Vespertilionidae. In Japan they are called 'tengu komori', after the mythical creature called the Tengu. It was formerly thought to be a subspecies of '' ...

, ''Murina hilgendorfi'' (widely distributed; not found in

) **** Ryukyu tube-nosed bat, ''Murina ryukyuana'' (MOE: EN)(endemic to

) **** Gloomy tube-nosed bat, ''Murina tenebrosa'' (MOE: DD)(endemic; not found since the

was collected on

in 1962) **** Ussuri tube-nosed bat, ''Murina ussuriensis'' (widely distributed; not found in

)

Order:
Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...
(whales)

''The order Cetacea includes

whale Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and ...

dolphin A dolphin is an aquatic mammal within the infraorder Cetacea. Dolphin species belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the ...

s and

porpoise Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

s. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.'' *Suborder:

Mysticeti Baleen whales (systematic name Mysticeti), also known as whalebone whales, are a parvorder of carnivorous marine mammals of the infraorder Cetacea (whales, dolphins and porpoises) which use keratinaceous baleen plates (or "whalebone") in their ...

**Family:

Balaenidae Balaenidae () is a family of whales of the parvorder Mysticeti that contains two living genera: the right whales (genus ''Eubalaena''), and in a separate genus, the closely related bowhead whale (genus ''Balaena''). Evolutionary history Bale ...

***Genus: ''

Eubalaena Right whales are three species of large baleen whales of the genus ''Eubalaena'': the North Atlantic right whale (''E. glacialis''), the North Pacific right whale (''E. japonica'') and the Southern right whale (''E. australis''). They are clas ...

'' ****

North Pacific right whale The North Pacific right whale (''Eubalaena japonica'') is a very large, thickset baleen whale species that is extremely rare and endangered. The Northeast Pacific population, which summers in the southeastern Bering Sea and Gulf of Alaska, may ...

, ''Eubalaena japonica'' **Family:

Balaenopteridae Rorquals () are the largest group of baleen whales, which comprise the family Balaenopteridae, containing ten extant species in three genera. They include the largest animal that has ever lived, the blue whale, which can reach , and the fin wha ...

***Subfamily: Balaenopterinae ****Genus: ''

Balaenoptera ''Balaenoptera'' () is a genus of rorquals containing eight extant species. ''Balaenoptera'' comprises all but two of the extant species in its family (the humpback whale and gray whale); the genus is currently polyphyletic, with the two aforem ...

'' *****

Common minke whale The common minke whale or northern minke whale (''Balaenoptera acutorostrata'') is a species of minke whale within the suborder of baleen whales. It is the smallest species of the rorquals and the second smallest species of baleen whale. Alth ...

, ''Balaenoptera acutorostrata'' *****

Sei whale The sei whale ( , ; ''Balaenoptera borealis'') is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. It avoids polar and tropical ...

, ''Balaenoptera borealis'' *****

Bryde's whale Bryde's whale ( Brooder's), or the Bryde's whale complex, putatively comprises three species of rorqual and maybe four. The "complex" means the number and classification remains unclear because of a lack of definitive information and research ...

, ''Balaenoptera edeni'' *****

Omura's whale Omura's whale or the dwarf fin whale (''Balaenoptera omurai'') is a species of rorqual about which very little is known. Before its formal description, it was referred to as a small, dwarf or pygmy form of Bryde's whale by various sources. The c ...

, ''Balaenoptera omurai'' *****

Blue whale The blue whale (''Balaenoptera musculus'') is a marine mammal and a baleen whale. Reaching a maximum confirmed length of and weighing up to , it is the largest animal known to have ever existed. The blue whale's long and slender body can ...

, ''Balaenoptera musculus'' (no recent records in neighbouring waters) *****

Fin whale The fin whale (''Balaenoptera physalus''), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cet ...

, ''Balaenoptera physalus'' ***Subfamily: Megapterinae ****Genus: ''

Megaptera The humpback whale (''Megaptera novaeangliae'') is a species of baleen whale. It is a rorqual (a member of the family Balaenopteridae) and is the only species in the genus ''Megaptera''. Adults range in length from and weigh up to . The hu ...

'' *****

Humpback whale The humpback whale (''Megaptera novaeangliae'') is a species of baleen whale. It is a rorqual (a member of the family Balaenopteridae) and is the only species in the genus ''Megaptera''. Adults range in length from and weigh up to . The hump ...

, ''Megaptera novaeangliae'' (regular sightings in the

Ogasawara Islands The Bonin Islands, also known as the , are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan and northwest of Guam. The name "Bonin Islands" comes from the Japanese word ''bunin'' (an archaic readi ...

and

) **Family:

Eschrichtiidae Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (''Eschrichtius robustus''), as well as three described fossil genera: '' Archaeschrichtius'' and ''Eschrichtioide ...

***Genus: '' Eschrichtius'' ****

Grey whale The gray whale (''Eschrichtius robustus''), also known as the grey whale,Britannica Micro.: v. IV, p. 693. gray back whale, Pacific gray whale, Korean gray whale, or California gray whale, is a baleen whale that migrates between feeding and bree ...

, ''Eschrichtius robustus'' (occasional sightings of western subpopulation ) *Suborder:

Odontoceti The toothed whales (also called odontocetes, systematic name Odontoceti) are a parvorder of cetaceans that includes dolphins, porpoises, and all other whales possessing teeth, such as the beaked whales and sperm whales. Seventy-three species of ...

**Superfamily:

Platanistoidea River dolphins are a polyphyletic group of fully aquatic mammals that reside exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic group within the infraorder Cetacea. Extant riv ...

***Family:

Monodontidae The cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil record. Beluga and Narwhal are native to coastal regions and pack ice around the Arctic ...

****Genus: ''

Delphinapterus The beluga whale () (''Delphinapterus leucas'') is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus ''Delphinapterus''. It is also known as the whi ...

'' *****

Beluga The beluga whale (/bɪˈluːɡə/) (Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. It is also known as the wh ...

, ''Delphinapterus leucas'' vagrant ***Family:

Phocoenidae Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

****Genus: ''

Neophocaena ''Neophocaena'' is a genus of porpoise native to the Indian and Pacific oceans, as well as the freshwater habitats of the Yangtze River basin in China. They are commonly known as finless porpoises. Genetic studies indicate that ''Neophocaena'' is ...

'' ***** Narrow-ridged finless porpoise, ''Neophocaena asiaeorientalis'' ****Genus: ''

Phocoena ''Phocoena'' is a genus of porpoises with four extant species: References External links * *''Phocoena''in ''Mammal Species of the World ''Mammal Species of the World: A Taxonomic and Geographic Reference'' is a standard reference work in ...

'' *****

Harbour porpoise The harbour porpoise (''Phocoena phocoena'') is one of eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar ...

, ''Phocoena phocoena'' ****Genus: '' Phocoenoides'' *****

Dall's porpoise Dall's porpoise (''Phocoenoides dalli'') is a species of porpoise endemic to the North Pacific. It is the largest of porpoises and the only member of the genus ''Phocoenoides''. The species is named after American naturalist W. H. Dall. Taxon ...

, ''Phocoenoides dalli'' ***Family: Physeteridae ****Genus: ''

Physeter ''Physeter'' is a genus of toothed whales. There is only one living species in this genus: the sperm whale (''Physeter macrocephalus''). Some extremely poorly known fossil species have also been assigned to the same genus including ''Physeter an ...

'' *****

Sperm whale The sperm whale or cachalot (''Physeter macrocephalus'') is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus ''Physeter'' and one of three extant species in the sperm whale famil ...

, ''Physeter macrocephalus'' ***Family:

Kogiidae Kogiidae is a family comprising at least two extant species of Cetacea, the Pygmy sperm whale, pygmy (''Kogia breviceps)'' and dwarf sperm whale, dwarf (''K. sima)'' sperm whales. As their common names suggest, they somewhat resemble sperm whales ...

****Genus: ''

Kogia ''Kogia'' is a genus of toothed whales within the superfamily Physeteroidea comprising two extant and two extinct species from the Neogene *Pygmy sperm whale, ''Kogia breviceps'' *Dwarf sperm whale, ''Kogia sima'' *†'' Kogia pusilla'', Italy, ...

'' *****

Pygmy sperm whale The pygmy sperm whale (''Kogia breviceps'') is one of two extant species in the family Kogiidae in the sperm whale superfamily. They are not often sighted at sea, and most of what is known about them comes from the examination of stranded spec ...

, ''Kogia breviceps'' *****

Dwarf sperm whale The dwarf sperm whale (''Kogia sima'') is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes. It was first described by biologist Richard Owen in 1866, based on illustrations by n ...

, ''Kogia sima'' ***Family: Ziphidae ****Genus: '' Ziphius'' *****

Cuvier's beaked whale The Cuvier's beaked whale, goose-beaked whale, or ziphius (''Ziphius cavirostris'') is the most widely distributed of all beaked whales in the family Ziphiidae. It is smaller than most baleen whales yet large among beaked whales. Cuvier's beaked ...

, ''Ziphius cavirostris'' ****Genus: ''

Berardius The four-toothed whales or giant beaked whales are beaked whales in the genus ''Berardius''. They include Arnoux's beaked whale (''Berardius arnuxii'') in cold Southern Hemispheric waters, and Baird's beaked whale (''Berardius bairdii'') in th ...

'' *****

Baird's beaked whale Baird's beaked whale (''Berardius bairdii''), also known as the northern giant bottlenose whale, North Pacific bottlenose whale, giant four-toothed whale, northern four-toothed whale and the North Pacific four-toothed whale, is a species of whale ...

, ''Berardius bairdii'' *****

Sato's beaked whale Sato's beaked whale (''Berardius minimus'') is a little-known species of Berardius, four-toothed whale. Description Sato's beaked whale is one of the poorly distinguished species in the genus ''Berardius''. It was distinguished from Arnoux's bea ...

, ''Berardius minimus'' ****Subfamily:

Hyperoodontinae Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least known groups of mammals because of their deep-sea habitat and apparent low abundance. Only three or four of the 24 species are reasonably well-k ...

*****Genus: '' Indopacetus'' ****** Indo-Pacific beaked whale, ''Indopacetus pacificus'' *****Genus: ''

Mesoplodon Mesoplodont whales are 16 species of toothed whale in the genus ''Mesoplodon'', making it the largest genus in the cetacean order. Two species were described as recently as 1991 (pygmy beaked whale) and 2002 (Perrin's beaked whale), and marine ...

'' ******

Hubbs' beaked whale Hubbs' beaked whale (''Mesoplodon carlhubbsi'') was initially thought to be an Andrews' beaked whale when discovered by ichthyologist Carl Hubbs; however, it was named in his honor when it was discovered to be a new species. This species has the ...

, ''Mesoplodon carlhubbsi'' ******

Blainville's beaked whale Blainville's beaked whale (''Mesoplodon densirostris''), or the dense-beaked whale, is believed to be the widest ranging mesoplodont whale. The French zoologist Henri de Blainville first described the species in 1817 from a small piece of jaw � ...

, ''Mesoplodon densirostris'' ****** Ginkgo-toothed beaked whale, ''Mesoplodon ginkgodens'' ******

Stejneger's beaked whale Stejneger's beaked whale (''Mesoplodon stejnegeri''), also known as the Bering Sea beaked whale or the saber-toothed whale, is a relatively unknown member of the genus ''Mesoplodon'' inhabiting the North Pacific Ocean. Leonhard Hess Stejneger col ...

, ''Mesoplodon stejnegeri'' ***Family:

Delphinidae Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the ...

(marine dolphins) ****Genus: '' Steno'' *****

Rough-toothed dolphin The rough-toothed dolphin (''Steno bredanensis'') is a species of dolphin that can be found in deep warm and tropical waters around the world. The species was first described by Georges Cuvier in 1823. The genus name ''Steno'', of which this spe ...

, ''Steno bredanensis'' ****Genus: ''

Tursiops Bottlenose dolphins are aquatic mammals in the genus ''Tursiops.'' They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. Molecular studies show the genus definitively contains two species: the common ...

'' *****

Indo-Pacific bottlenose dolphin The Indo-Pacific bottlenose dolphin (''Tursiops aduncus'') is a species of bottlenose dolphin. This dolphin grows to long, and weighs up to . It lives in the waters around India, northern Australia, South China, the Red Sea, and the eastern co ...

, ''Tursiops aduncus'' *****

Common bottlenose dolphin The common bottlenose dolphin or Atlantic bottlenose dolphin (''Tursiops truncatus'') is a wide-ranging marine mammal of the family Delphinidae. The common bottlenose dolphin is a very familiar dolphin due to the wide exposure it gets in captivi ...

, ''Tursiops truncatus'' ****Genus: ''

Stenella ''Stenella'' is a genus of marine mammals in Delphinidae, the family informally known as the oceanic dolphins. Species Currently, five species are recognised in this genus: The common name for species in this genus is the "spotted dolphins" o ...

'' *****

Pantropical spotted dolphin The pantropical spotted dolphin (''Stenella attenuata'') is a species of dolphin found in all the world's temperate and tropical oceans. The species was beginning to come under threat due to the killing of millions of individuals in tuna purse s ...

, ''Stenella attenuata'' *****

Striped dolphin The striped dolphin (''Stenella coeruleoalba'') is an extensively studied dolphin found in temperate and tropical waters of all the world's oceans. It is a member of the oceanic dolphin family (biology), family, Delphinidae. Taxonomy The stripe ...

, ''Stenella coeruleoalba'' *****

Spinner dolphin The spinner dolphin (''Stenella longirostris'') is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which it rotates around its longitudinal axis as it leaps through the air. It is a ...

, ''Stenella longirostris'' (common around the

) ****Genus: ''

Delphinus Delphinus (Pronounced or ) is a small constellation in the Northern Celestial Hemisphere, close to the celestial equator. Its name is the Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-Europea ...

'' *****

Long-beaked common dolphin The common dolphin (''Delphinus delphis'') is the most abundant cetacean in the world, with a global population of about six million. Despite this fact and its vernacular name, the common dolphin is not thought of as the archetypal dolphin, with ...

, ''Delphinus capensis'' *****

Short-beaked common dolphin The common dolphin (''Delphinus delphis'') is the most abundant cetacean in the world, with a global population of about six million. Despite this fact and its vernacular name, the common dolphin is not thought of as the archetypal dolphin, with ...

, ''Delphinus delphis'' ****Genus: '' Lagenodelphis'' *****

Fraser's dolphin Fraser's dolphin or the Sarawak dolphin (''Lagenodelphis hosei'') is a cetacean in the family Delphinidae found in deep waters in the Pacific Ocean and to a lesser extent in the Indian and Atlantic Oceans. Taxonomy ''Lagenodelphis hosei'' is spe ...

, ''Lagenodelphis hosei'' ****Genus: ''

Sagmatias ''Sagmatias'' was a genus of Dolphin, dolphins, defined in 1866 by Edward Drinker Cope with Peale's dolphin as type species, described as ''Sagmatias amblodon''. It has been proposed to resurrect the genus to include four species of oceanic dolph ...

'' *****

Pacific white-sided dolphin The Pacific white-sided dolphin (''Lagenorhynchus obliquidens''), also known as the hookfin porpoise, is an active dolphin found in the cool or temperate waters of the North Pacific Ocean. Taxonomy The Pacific white-sided dolphin was named by Sm ...

, ''Sagmatias obliquidens'' ****Genus: '' Lissodelphis'' *****

Northern right whale dolphin The northern right whale dolphin (''Lissodelphis borealis'') is a small, slender and finless species of cetacean found in cold/temperate waters of the North Pacific Ocean. It is one of two species of right whale dolphins. Description This dolp ...

, ''Lissodelphis borealis'' ****Genus: ''

Grampus Grampus may refer to: Animals *''Grampus'', the genus and another name for Risso's dolphin, ''Grampus griseus'' *A synonym of the genus ''Orcinus'' *Another name for ''Orcinus orca'', the killer whale or orca *Another name for the hellbender, a sp ...

'' *****

Risso's dolphin Risso's dolphin (''Grampus griseus'') is a dolphin, the only species of the genus ''Grampus''. Some of the closest related species to these dolphins include: pilot whales (''Globicephala'' spp.), pygmy killer whales (''Feresa attenuata''), melon ...

, ''Grampus griseus'' ****Genus: '' Peponocephala'' *****

Melon-headed whale The melon-headed whale (''Peponocephala electra''), also known less commonly as the electra dolphin, little killer whale, or many-toothed blackfish, is a toothed whale of the oceanic dolphin family (Delphinidae). The common name is derived from t ...

, ''Peponocephala electra'' ****Genus: '' Feresa'' *****

Pygmy killer whale The pygmy killer whale (''Feresa attenuata'') is a poorly known and rarely seen oceanic dolphin. It is the only species in the genus ''Feresa''. It derives its common name from sharing some physical characteristics with the orca also known as t ...

, ''Feresa attenuata'' ****Genus: ''

Pseudorca ''Pseudorca'' is a genus of cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusi ...

'' *****

False killer whale The false killer whale (''Pseudorca crassidens'') is a species of oceanic dolphin that is the only extant representative of the genus ''Pseudorca''. It is found in oceans worldwide but mainly in tropical regions. It was first described in 1846 ...

, ''Pseudorca crassidens'' ****Genus: ''

Orcinus ''Orcinus'' is a genus of Delphinidae, the family of carnivorous marine mammals known as dolphins. It includes the largest delphinid species, ''Orcinus orca'', known as the orca or killer whale. Two extinct species are recognised, '' Orcinus pale ...

'' *****

Orca The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only Extant taxon, extant species in the genus ''Orcinus'' and is recognizable by its black ...

, ''Orcinus orca'' ****Genus: '' Globicephala'' *****

Short-finned pilot whale The short-finned pilot whale (''Globicephala macrorhynchus'') is one of the two species of cetaceans in the genus ''Pilot whale, Globicephala'', which it shares with the long-finned pilot whale (''G. melas''). It is part of the oceanic dolphin ...

, ''Globicephala macrorhynchus''

Order:
Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...
(carnivorans)

''There are over 260 species of carnivorans, the majority of which feed primarily on meat. They have a characteristic skull shape and dentition. Wolves and otters are now believed to be extinct in Japan.'' *Suborder:

Feliformia Feliformia is a suborder within the order Carnivora consisting of "cat-like" carnivorans, including cats (large and small), hyenas, mongooses, viverrids, and related taxa. Feliformia stands in contrast to the other suborder of Carnivora, Caniform ...

**Family:

Felidae Felidae () is the family of mammals in the order Carnivora colloquially referred to as cats, and constitutes a clade. A member of this family is also called a felid (). The term "cat" refers both to felids in general and specifically to the ...

(cats) ***Subfamily:

Felinae The Felinae are a subfamily of the family Felidae. This subfamily comprises the small cats having a bony hyoid, because of which they are able to purr but not roar. Other authors have proposed an alternative definition for this subfamily: as c ...

****Genus: ''

Prionailurus ''Prionailurus'' is a genus of spotted, small wild cats native to Asia. Forests are their preferred habitat; they feed on small mammals, reptiles and birds, and occasionally aquatic wildlife. Taxonomy ''Prionailurus'' was first proposed by ...

'' *****

Leopard cat The leopard cat (''Prionailurus bengalensis'') is a small wild cat native to continental South, Southeast, and East Asia. Since 2002 it has been listed as Least Concern on the IUCN Red List as it is widely distributed although threatened by hab ...

, ''P. bengalensis'' ****** Tsushima leopard cat a ''P. b. euptilurus'' (MOE: CR)(

;

) ******

, ''P. b. iriomotensis'' (MOE: CR)(

; Special Natural Monument) ****Genus: ''

Lynx A lynx is a type of wild cat. Lynx may also refer to: Astronomy * Lynx (constellation) * Lynx (Chinese astronomy) * Lynx X-ray Observatory, a NASA-funded mission concept for a next-generation X-ray space observatory Places Canada * Lynx, Ontar ...

'' *****

Eurasian lynx The Eurasian lynx (''Lynx lynx'') is a medium-sized wild cat widely distributed from Northern, Central and Eastern Europe to Central Asia and Siberia, the Tibetan Plateau and the Himalayas. It inhabits temperate and boreal forests up to an eleva ...

, ''Lynx lynx'' extirpated in prehistoryhttp://www.gmnh.pref.gunma.jp/wp-content/uploads/bulletin15_3.pdf ***Subfamily:

Pantherinae Pantherinae is a subfamily within the family Felidae; it was named and first described by Reginald Innes Pocock in 1917 as only including the ''Panthera'' species. The Pantherinae genetically diverged from a common ancestor between and . Char ...

****Genus: ''

Panthera ''Panthera'' is a genus within the family (biology), family Felidae that was named and described by Lorenz Oken in 1816 who placed all the spotted cats in this group. Reginald Innes Pocock revised the classification of this genus in 1916 as co ...

'' *****

Leopard The leopard (''Panthera pardus'') is one of the five extant species in the genus '' Panthera'', a member of the cat family, Felidae. It occurs in a wide range in sub-Saharan Africa, in some parts of Western and Central Asia, Southern Russia, a ...

, ''Panthera pardus'' extirpated in prehistory *****

Tiger The tiger (''Panthera tigris'') is the largest living cat species and a member of the genus '' Panthera''. It is most recognisable for its dark vertical stripes on orange fur with a white underside. An apex predator, it primarily preys on u ...

, ''P. tigris'' extirpated in prehistory **Family:

Viverridae Viverridae is a family of small to medium-sized, feliform mammals. The viverrids () comprise 33 species placed in 14 genera. This family was named and first described by John Edward Gray in 1821. Viverrids occur all over Africa, southern Europe, ...

(civets) ***Genus: ''

Paradoxurus ''Paradoxurus'' is a genus of three palm civets within the viverrid family that was denominated and first described by Frédéric Cuvier in 1822. The ''Paradoxurus'' species have a broad head, a narrow muzzle with a large rhinarium that is deepl ...

'' ****

Asian palm civet The Asian palm civet (''Paradoxurus hermaphroditus''), also called common palm civet, toddy cat and musang, is a viverrid native to South and Southeast Asia. Since 2008, it is IUCN Red Listed as Least Concern as it accommodates to a broad range ...

, ''Paradoxurus hermaphroditus'' LR/lc introduced ***Genus: ''

Paguma The masked palm civet (''Paguma larvata''), also called the gem-faced civet, is a palm civet species native to the Indian subcontinent and Southeast Asia. It has been listed as least concern on the IUCN Red List since 2008 as it occurs in many p ...

'' ****

Masked palm civet The masked palm civet (''Paguma larvata''), also called the gem-faced civet, is a palm civet species native to the Indian subcontinent and Southeast Asia. It has been listed as least concern on the IUCN Red List since 2008 as it occurs in many p ...

, ''Paguma larvata'' ( introduced;

Ryukyu The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonaguni ...

) **Family:

Herpestidae A mongoose is a small terrestrial carnivorous mammal belonging to the family Herpestidae. This family is currently split into two subfamilies, the Herpestinae and the Mungotinae. The Herpestinae comprises 23 living species that are native to so ...

***Genus: ''

Urva Urva (also, Urvan, lez, Вурвар) is a village and municipality in the Qusar Rayon of Azerbaijan. It has a population of 2,472. The municipality consists of the villages of Urva and Urvaoba Urvaoba is a village in the municipality of Urva ...

'' ****

Small Indian mongoose The small Indian mongoose (''Urva auropunctata'') is a mongoose species native to Iraq and northern South Asia; it has also been introduced to many regions of the world, such as several Caribbean and Pacific islands. Taxonomy ''Mangusta auropun ...

, ''U. auropunctata'' ( introduced on

and

and in areas of the cities of

Satsumasendai is a city located in Kagoshima Prefecture, Japan. The modern city of Satsumasendai was established on October 12, 2004, from the merger of the city of Sendai, the towns of Hiwaki, Iriki, Kedōin and Tōgō, and the Koshikijima Islands (whi ...

and

) *Suborder:

Caniformia Caniformia is a suborder within the order Carnivora consisting of "dog-like" carnivorans. They include dogs (wolves, foxes, etc.), bears, raccoons, and mustelids. The Pinnipedia (seals, walruses and sea lions) are also assigned to this group. ...

**Family:

Canidae Canidae (; from Latin, ''canis'', "dog") is a biological family of dog-like carnivorans, colloquially referred to as dogs, and constitutes a clade. A member of this family is also called a canid (). There are three subfamilies found within th ...

(dogs, foxes) ***Genus: ''

Vulpes '' Vulpes '' is a genus of the sub-family Caninae. The members of this genus are colloquially referred to as true foxes, meaning they form a proper clade. The word "fox" occurs in the common names of all species of the genus, but also appears ...

'' ****

Red fox The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the Order (biology), order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe ...

, ''V. vulpes'' ***** , ''Vulpes vulpes japonica''(

) ***** Ezo red fox, ''V. v. schrencki''(

) ***Genus: ''

Nyctereutes ''Nyctereutes'' (Greek: ''nyx, nykt-'' "night" + ''ereutēs'' "wanderer") is a genus of canid which includes only two extant species both known as raccoon dogs; the common raccoon dog (''Nyctereutes procyonoides'') and the Japanese raccoon dog (' ...

'' ****

Japanese raccoon dog The Japanese raccoon dog (''Nyctereutes viverrinus''), also known as the ''tanuki'' ( ja, , , ), is a species of canid endemic to Japan. It is one of two species in the genus ''Nyctereutes'', alongside the common raccoon dog (''N. procyonoides'') ...

, ''N. viverrinus'' (endemic;

, and adjacent smaller islands; tanuki habitat in Yamaguchi is a

) ***** , ''Nyctereutes viverrinus albus''(

Okushiri Island is an island in Hokkaidō, Japan. It has an area of . The town of Okushiri and the Hiyama Prefectural Natural Park encompass the entire island. It has many pastures, beech tree forests, and a rocky coastline. There are two elementary schools, o ...

) ***Genus: ''

Canis ''Canis'' is a genus of the Caninae which includes multiple extant species, such as wolves, dogs, coyotes, and golden jackals. Species of this genus are distinguished by their moderate to large size, their massive, well-developed skulls and den ...

'' ****

Grey wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly ...

, ''Canis lupus'' extirpated *****

, ''C. l. hattai'' (

) *****

, ''C. l. hodophilax'' (

) **Family:

Ursidae Bears are carnivoran mammals of the family Ursidae. They are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats throughout the Nort ...

(bears) ***Genus: ''

Ursus Ursus is Latin for bear. It may also refer to: Animals * ''Ursus'' (mammal), a genus of bears People * Ursus of Aosta, 6th-century evangelist * Ursus of Auxerre, 6th-century bishop * Ursus of Solothurn, 3rd-century martyr * Ursus (''praefectus ...

'' ****

Brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is kno ...

, ''U. arctos'' *****

Ussuri brown bear The Ussuri brown bear (''Ursus arctos lasiotus''), also known as the Ezo brown bear, Russian bear, or the black grizzly bear, is a subspecies of the brown bear or a population of the Eurasian brown bear (''U. a. arctos''). One of the largest br ...

, ''U. a. lasiotus''(

) ****

Asiatic black bear The Asian black bear (''Ursus thibetanus''), also known as the Asiatic black bear, moon bear and white-chested bear, is a medium-sized bear species native to Asia that is largely adapted to an arboreal lifestyle. It lives in the Himalayas, sou ...

, ''U. thibetanus'' ***** Japanese black bear, ''U. t. japonicus''(

and

, formerly also

) **Family:

Procyonidae Procyonidae is a New World family of the order Carnivora. It comprises the raccoons, ringtails, cacomistles, coatis, kinkajous, olingos, and olinguitos. Procyonids inhabit a wide range of environments and are generally omnivorous. Character ...

(raccoons) ***Genus: ''

Procyon Procyon () is the brightest star in the constellation of Canis Minor and usually the eighth-brightest star in the night sky, with an apparent visual magnitude of 0.34. It has the Bayer designation α Canis Minoris, which is Latinize ...

'' ****

Raccoon The raccoon ( or , ''Procyon lotor''), sometimes called the common raccoon to distinguish it from other species, is a mammal native to North America. It is the largest of the procyonid family, having a body length of , and a body weight of ...

, ''Procyon lotor'' ( introduced from the Americas) **Family:

Mustelidae The Mustelidae (; from Latin ''mustela'', weasel) are a family of carnivorous mammals, including weasels, badgers, otters, ferrets, martens, minks and wolverines, among others. Mustelids () are a diverse group and form the largest family in ...

(mustelids) ***Genus: '' Meles'' ****

Japanese badger The Japanese badger (''Meles anakuma'') is a species of carnivoran of the family Mustelidae, the weasels and their kin. Endemic to Japan, it is found on Honshu, Kyushu, Shikoku, and Shōdoshima. It shares the genus '' Meles'' with its close rel ...

, ''Meles anakuma'' (endemic;

) ***Genus: ''

Enhydra ''Enhydra'' is a genus of mustelid that contains the sea otter and two extinct relatives. It is the only extant genus of the bunodont otters group, referring to otters with non-blade carnassials with rounded cusps. Sea otters probably diverged fr ...

'' ****

Sea otter The sea otter (''Enhydra lutris'') is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between , making them the heaviest members of the weasel family, but among the small ...

, ''Enhydra lutris'' (MOE: CR)(eastern

) ***Genus: ''

Lutra ''Lutra'' is a genus of otters, one of seven in the subfamily Lutrinae. Taxonomy and evolution The genus includes these species: Extant species Extinct species *†''Lutra affinis'' *†''Lutra bressana '' *†''Lutra bravardi'' *†''Lut ...

'' ****

, ''L. nippon'' (last recorded on

in 1954 and in Kōchi in 1979) ***Genus: '' Martes'' ****

Japanese marten The Japanese marten (''Martes melampus'') is a marten species endemic to Japan. Description It is in length typically, not counting a long tail, and between in weight. Males are generally larger than females. The pelage varies in color from d ...

, ''Martes melampus'' (endemic;

) ***** , ''Martes melampus tsuensis'' (MOE: NT)(endemic;

;

****

Sable The sable (''Martes zibellina'') is a species of marten, a small omnivorous mammal primarily inhabiting the forest environments of Russia, from the Ural Mountains throughout Siberia, and northern Mongolia. Its habitat also borders eastern Kaza ...

, ''Martes zibellina'' ***** , ''Martes zibellina brachyura'' (MOE: EN)(

) ***Genus: '' Mustela'' ****

Stoat The stoat (''Mustela erminea''), also known as the Eurasian ermine, Beringian ermine and ermine, is a mustelid native to Eurasia and the northern portions of North America. Because of its wide circumpolar distribution, it is listed as Least Conc ...

, ''Mustela erminea'' ***** , ''Mustela erminea nippon'' (MOE: NT)(central and northern

) ***** , ''Mustela erminea orientalis'' (MOE: NT)(

) ****

Japanese weasel The Japanese weasel (''Mustela itatsi'') is a carnivorous mammal belonging to the genus '' Mustela'' in the family Mustelidae. The most closely related ''Mustela'' species is the Siberian weasel (''Mustela sibirica''). Its taxonomic species nam ...

, ''Mustela itatsi'' (endemic to

, and adjacent smaller islands; introduced to

Rebun Island is an island in the Sea of Japan off the northwestern tip of Hokkaidō, Japan. The island sits off the coast of Hokkaidō. Rebun stretches from north to south and from east to west. The island covers approximately . Rebun Island is located ...

, etc, for rat control) ****

Siberian weasel The Siberian weasel or kolonok (''Mustela sibirica''), is a medium-sized weasel native to Asia, where it is widely distributed and inhabits various forest habitats and open areas. It is therefore listed as Least Concern on the IUCN Red List. Desc ...

, ''Mustela sibirica'' (MOE: EN)(native on

, introduced to western Japan) ****

Least weasel The least weasel (''Mustela nivalis''), little weasel, common weasel, or simply weasel is the smallest member of the genus '' Mustela,'' family Mustelidae and order Carnivora. It is native to Eurasia, North America and North Africa, and has bee ...

, ''Mustela nivalis'' ***** , ''Mustela nivalis namiyei'' (MOE: NT)( Tōhoku) ***** , ''Mustela nivalis nivalis''(

) ***Genus: ''

Neogale ''Neogale'' is a genus of mustelid native to the Americas, ranging from Alaska south to Bolivia. Members of this genus are known as New World weasels. Taxonomy Members in this genus were formerly classified into the genera '' Mustela'' and '' ...

'' ****

American mink The American mink (''Neogale vison'') is a semiaquatic species of mustelid native to North America, though human intervention has expanded its range to many parts of Europe, Asia and South America. Because of range expansion, the American mink i ...

, ''Neogale vison'' ( introduced;

Nagano Nagano may refer to: Places * Nagano Prefecture, a prefecture in Japan ** Nagano (city), the capital city of the same prefecture *** Nagano 1998, the 1998 Winter Olympics *** Nagano Olympic Stadium, a baseball stadium in Nagano *** Nagano Universi ...

Fukushima may refer to: Japan * Fukushima Prefecture, Japanese prefecture ** Fukushima, Fukushima, capital city of Fukushima Prefecture, Japan ***Fukushima University, national university in Japan *** Fukushima Station (Fukushima) in Fukushima, Fukushim ...

; records from elsewhere in

and

) **Family: Otariidae (eared seals, sealions) ***Genus: ''

Callorhinus ''Callorhinus'' is a genus of sea lion. It contains the living northern fur seal ''(Callorhinus ursinus)'' as well as the extinct '' Callorhinus gilmorei'' and an unnamed species, both from the Pliocene and very beginning of the Pleistocene. '' ...

'' ****

Northern fur seal The northern fur seal (''Callorhinus ursinus'') is an eared seal found along the north Pacific Ocean, the Bering Sea, and the Sea of Okhotsk. It is the largest member of the fur seal subfamily (Arctocephalinae) and the only living species in the ...

, ''Callorhinus ursinus'' (northern Japan) ***Genus: ''

Eumetopias The Steller sea lion (''Eumetopias jubatus''), also known as the Steller's sea lion and northern sea lion, is a near-threatened species of sea lion in the northern Pacific. It is the sole member of the genus ''Eumetopias'' and the largest of t ...

'' ****

Steller sea lion The Steller sea lion (''Eumetopias jubatus''), also known as the Steller's sea lion and northern sea lion, is a near-threatened species of sea lion in the northern Pacific. It is the sole member of the genus ''Eumetopias'' and the largest of t ...

, ''Eumetopias jubatus'' (MOE: NT) ***** Western Steller sea lion, ''Eumetopias jubatus jubatus'' (

and

) ***Genus: '' Zalophus'' ****

, ''Zalophus japonicus'' (MOE: CR)(last recorded on Takeshima in 1975) **Family: Phocidae (earless seals) ***Genus: ''

Erignathus The bearded seal (''Erignathus barbatus''), also called the square flipper seal, is a medium-sized pinniped that is found in and near to the Arctic Ocean. It gets its generic name from two Greek words (''eri'' and ''gnathos'') that refer to its h ...

'' ****

Bearded seal The bearded seal (''Erignathus barbatus''), also called the square flipper seal, is a medium-sized pinniped that is found in and near to the Arctic Ocean. It gets its generic name from two Greek words (''eri'' and ''gnathos'') that refer to its h ...

, ''Erignathus barbatus'' (

and

vagrant Vagrancy is the condition of homelessness without regular employment or income. Vagrants (also known as bums, vagabonds, rogues, tramps or drifters) usually live in poverty and support themselves by begging, scavenging, petty theft, temporar ...

) ***** Pacific bearded seal, ''Erignathus barbatus nauticus'' (vagrant) ***Genus: ''

Histriophoca The ribbon seal (''Histriophoca fasciata'') is a medium-sized pinniped from the true seal family (Phocidae). A seasonally ice-bound species, it is found in the Arctic and Subarctic regions of the North Pacific Ocean, notably in the Bering Sea and ...

'' ****

Ribbon seal The ribbon seal (''Histriophoca fasciata'') is a medium-sized pinniped from the true seal family (Phocidae). A seasonally ice-bound species, it is found in the Arctic and Subarctic regions of the North Pacific Ocean, notably in the Bering Sea and ...

, ''Histriophoca fasciata'' (northeast

) ***Genus: '' Mirounga'' ****

Northern elephant seal The northern elephant seal (''Mirounga angustirostris'') is one of two species of elephant seal (the other is the southern elephant seal). It is a member of the family (biology), family Phocidae (true seal (mammal), seals). Elephant seals derive ...

, ''Mirounga angustirostris'' (vagrant) ***Genus: ''

Phoca ''Phoca'' ( ) is a genus of the earless seals, within the family Phocidae, source of the French name for seal, 'phoque'. It now contains just two species, the common seal (or harbour seal) and the spotted seal (or largha seal). Several species f ...

'' ****

Spotted seal The spotted seal (''Phoca largha''), also known as the larga seal or largha seal, is a member of the family Phocidae, and is considered a "true seal". It inhabits ice floes and waters of the north Pacific Ocean and adjacent seas. It is primarily ...

, ''Phoca largha'' (

) ****

Harbour seal The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared sea ...

, ''Phoca vitulina'' (MOE: NT)(

) ***** Kuril seal, ''Phoca vitulina stejnegeri'' (eastern

) ***Genus: ''

Pusa ''Pusa'' is a genus of the earless seals, within the family Phocidae. The three species of this genus were split from the genus ''Phoca'', and some sources still give ''Phoca'' as an acceptable synonym for ''Pusa''. The three species in this ge ...

'' ****

Ringed seal The ringed seal (''Pusa hispida'') is an earless seal inhabiting the Arctic and sub-Arctic regions. The ringed seal is a relatively small seal, rarely greater than 1.5 m in length, with a distinctive patterning of dark spots surrounded by light g ...

, ''Pusa hispida'' (especially northern

)

Order:
Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
(even-toed ungulates)

''The even-toed ungulates are

ungulate Ungulates ( ) are members of the diverse clade Ungulata which primarily consists of large mammals with hooves. These include odd-toed ungulates such as horses, rhinoceroses, and tapirs; and even-toed ungulates such as cattle, pigs, giraffes, cam ...

s whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in

perissodactyls Odd-toed ungulates, mammals which constitute the taxonomic order Perissodactyla (, ), are animals—ungulates—who have reduced the weight-bearing toes to three (rhinoceroses and tapirs, with tapirs still using four toes on the front legs) o ...

. There are about 220 artiodactyl species, including many that are of great economic importance to humans.'' *Family:

Suidae Suidae is a family of artiodactyl mammals which are commonly called pigs, hogs or swine. In addition to numerous fossil species, 18 extant species are currently recognized (or 19 counting domestic pigs and wild boars separately), classified into ...

(pigs) **Subfamily:

Suinae Suinae is a subfamily of artiodactyl mammals that includes several of the extant members of Suidae and their closest relatives – the domestic pig and related species, such as babirusas. Several extinct species within the Suidae are classified i ...

***Genus: '' Sus'' ****

Wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is ...

, ''Sus scrofa'' ***** Japanese boar, ''Sus scrofa leucomystax''(

south from

, Awaji Island) ***** ''Sus scrofa riukiuanus''(

; half as massive as ''Sus scrofa leucomystax'') *Family:

Cervidae Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the reindeer ...

(deer) **Subfamily:

Cervinae The Cervinae or the Old World deer, are a subfamily of deer. Alternatively, they are known as the plesiometacarpal deer, due to their ankle structure being different from the telemetacarpal deer of the Capreolinae. Classification and species The ...

***Genus: ''

Muntiacus Muntjacs ( ), also known as the barking deer or rib-faced deer, (URL is Google Books) are small deer of the genus ''Muntiacus'' native to South Asia and Southeast Asia. Muntjacs are thought to have begun appearing 15–35 million years ago, ...

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Reeves's muntjac Reeves's muntjac (''Muntiacus reevesi''; ), also known as the Chinese muntjac, is a muntjac species found widely in southeastern China (from Gansu to Yunnan) and Taiwan. It has also been introduced in Europe, western United States and Japan. It ...

, ''Muntiacus reevesi'' ( introduced; southern

and

Izu Ōshima is an inhabited volcanic island in the Izu archipelago in the Philippine Sea, off the coast of Honshu, Japan, east of the Izu Peninsula and southwest of Bōsō Peninsula. As with the other islands in the Izu Island group, Izu Ōshima form ...

) ***Genus: ''

Cervus ''Cervus'' is a genus of deer that primarily are native to Eurasia, although one species occurs in northern Africa and another in North America. In addition to the species presently placed in this genus, it has included a whole range of other sp ...

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Sika deer The sika deer (''Cervus nippon''), also known as the Northern spotted deer or the Japanese deer, is a species of deer native to much of East Asia and introduced to other parts of the world. Previously found from northern Vietnam in the south to ...

, ''Cervus nippon'' (widely distributed;

Kerama deer The Kerama deer (also Kerama Sika) is a endangered subspecies of the Sika deer native to the Kerama Islands. History Kerama deer were imported from the Kagoshima Prefecture in the early 17th century. They were heavily hunted because they destroy ...

and their habitat, and the deer of

Nara The National Archives and Records Administration (NARA) is an " independent federal agency of the United States government within the executive branch", charged with the preservation and documentation of government and historical records. It i ...

, are

s) *Family:

Bovidae The Bovidae comprise the biological family of cloven-hoofed, ruminant mammals that includes cattle, bison, buffalo, antelopes, and caprines. A member of this family is called a bovid. With 143 extant species and 300 known extinct species, ...

(cattle, antelope, sheep, goats) **Subfamily:

Caprinae The subfamily Caprinae, also sometimes referred to as the tribe Caprini, is part of the ruminant family Bovidae, and consists of mostly medium-sized bovids. A member of this subfamily is called a caprine, or, more informally, a goat-antelope (a ...

***Genus: ''

Capricornus Capricornus is one of the constellations of the zodiac. Its name is Latin for "horned goat" or "goat horn" or "having horns like a goat's", and it is commonly represented in the form of a sea goat: a mythical creature that is half goat, half fi ...

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Japanese serow The : (''Capricornis crispus'') ( 羚羊) is a Japanese goat-antelope, an even-toed ungulate mammal. It is found in dense woodland in Japan, primarily in northern and central Honshu. The serow is seen as a national symbol of Japan, and is subj ...

, ''Capricornis crispus'' (endemic;

; Special Natural Monument)

References

* {{Asia topic, List of mammals of .List

Mammals Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

Order: Sirenia The Sirenia (), commonly referred to as sea-cows or sirenians, are an order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters. The Sirenia currently comprise two distinct f ... (manatees and dugongs)

Order: Primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...s

Order: Rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...ia (rodents)

Order: Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae (pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ� ... (hares, rabbits, and pikas)

Order: Chiroptera Bats are mammals of the Order (biology), order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in fli ... (bats)

Order: Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ... (whales)

Order: Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ... (carnivorans)

Order: Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ... (even-toed ungulates)

See also

References

Order:
Sirenia The Sirenia (), commonly referred to as sea-cows or sirenians, are an order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters. The Sirenia currently comprise two distinct f ...
(manatees and dugongs)

Order:
Primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...
s

Order:
Rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
ia (rodents)

Order:
Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae (pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ� ...
(hares, rabbits, and pikas)

Order:
Chiroptera Bats are mammals of the Order (biology), order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in fli ...
(bats)

Order:
Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...
(whales)

Order:
Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...
(carnivorans)

Order:
Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
(even-toed ungulates)