The Javan hidden shrew or Javan long-tailed shrew (''Crocidura abscondita'', also erroneously referred to as ''Crocidura absconditus'') is a species of

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 ...

in the family Soricidae. It is

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 ...

to the island of

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

Taxonomy

It was described in 2014 based on its morphological distinctiveness, with phylogenetic analysis also supporting it as being a distinct species. Phylogenetic analysis indicates that it is a sister species to the Sumatran long-tailed shrew (''C. paradoxura''), from which it diverged during the

Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...

, about 9.5 million years ago. The specific name, ''abscondita'', means 'hidden' in

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

and is a reference to the undescribed ("hidden") mammal species of

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

Distribution and habitat

It is endemic to the Mount Gede- Pangrango area, a double-peak

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...

located in

West Java West Java ( id, Jawa Barat, su, ᮏᮝ ᮊᮥᮜᮧᮔ᮪, romanized ''Jawa Kulon'') is a province of Indonesia on the western part of the island of Java, with its provincial capital in Bandung. West Java is bordered by the province of Banten ...

, Indonesia. It is thought to inhabit montane and subalpine forests.

Description

It is a species of '' Crocidura'' of medium size, with a total length of ± 161.8 mm, a tail of ± 88.3 mm and a weight of ± 7.5 mm. Its pelage is gray at the base of hairs, with brown tips on the back and gray tips on the belly.

Status

It may be threatened by habitat loss, which has been extensive throughout Java, but little is known of this species' life history or habitat preference. It is thus classified as

Data Deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessaril ...

on the

IUCN 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 biol ...

References

{{Taxonbar, from=Q21253879 Crocidura Endemic fauna of Java Mammals of Indonesia Mammals described in 2014