The Chinese edible frog, East Asian bullfrog, or Taiwanese frog (''Hoplobatrachus rugulosus'') is a species of

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

in the family

Dicroglossidae The frog family Dicroglossidae occurs in tropical and subtropical regions of Asia and Africa, with most genera and species being found in Asia. The common name of the family is fork-tongued frogs. The Dicroglossidae were previously considered to ...

. It is found in

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

Macau Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a pop ...

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

, the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, and

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

s are freshwater

marsh A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found at ...

es, intermittent freshwater marshes,

arable land Arable land (from the la, arabilis, "able to be ploughed") is any land capable of being ploughed and used to grow crops.''Oxford English Dictionary'', "arable, ''adj''. and ''n.''" Oxford University Press (Oxford), 2013. Alternatively, for the ...

, pasture land, rural gardens,

urban area An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, t ...

pond A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Defining them to be less than in area, less than deep, and with less than 30% emergent vegetation helps in distinguishing their ecology from th ...

s, aquaculture ponds, open excavations, irrigated land, seasonally flooded agricultural land, and

canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow un ...

s and ditches. They breed in spring to early summer. The domesticated Thai variety and wild Chinese populations of ''H. rugulosus'' belong to two separate

genetic lineage A genetic lineage, also known as genetic pedigree, is a series of mutations which connect an ancestral genetic type (allele, haplotype, or haplogroup) to derivative type. In cases where the genetic tree is very bushy the order of mutations in the li ...

s respectively.Yu D, Zhang J, Li P, Zheng R, Shao C (2015) Do Cryptic Species Exist in Hoplobatrachus rugulosus? An Examination Using Four Nuclear Genes, the Cyt b Gene and the Complete MT Genome. PLoS ONE 10(4): e0124825. doi:10.1371/journal.pone.0124825 Yu et al. (2015) suggest that ''H. rugulosus'' may in fact be a

cryptic species In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each oth ...

complex Complex commonly refers to: * Complexity, the behaviour of a system whose components interact in multiple ways so possible interactions are difficult to describe ** Complex system, a system composed of many components which may interact with each ...

Description

''H. rugulosus'' is a large, robust frog, up to or more in snout-vent length. Females are larger than males. They are primarily

insectivore A robber fly eating a hoverfly An insectivore is a carnivorous animal or plant that eats insects. An alternative term is entomophage, which can also refer to the human practice of eating insects. The first vertebrate insectivores wer ...

Regional names

The Chinese edible frog is commonly referred to as ("field chicken") or ("tiger-skinned frog") in Mainland China, Hong Kong, Taiwan, Macau, and Chinese communities worldwide. In Filipino, they are called "palakang bukid," which means "frog of the field."

Usage

The frogs are commonly found in wet markets, seafood markets, and pet stores. In wet markets, they are usually sold per piece or per kilogram. The medium-sized frogs are sold as pets in pet stores, and the smaller variant is sold as live food for

arowana Arowanas are freshwater bony fish of the subfamily Osteoglossinae, also known as bony tongues (the latter name is now often reserved for Arapaiminae). In this family of fish, the head is bony and the elongated body is covered by large, heavy sc ...

s. They are widely farmed in Sichuan, China, Malaysia, and Thailand. These frogs, though much smaller than their Western counterparts, are used by Chinese to cook

frog legs Frog legs (French: ''Cuisses de grenouille'') are one of the better-known delicacies of French cuisine, where it has been considered as a national delicacy. The legs of edible frogs are also consumed in other parts of the world, including Vi ...

and by Filipinos who cook them for ''

adobo or (Spanish: marinade, sauce, or seasoning) is the immersion of cooked food in a stock (or sauce) composed variously of paprika, oregano, salt, garlic, and vinegar to preserve and enhance its flavor. The Portuguese variant is known as . ...

'' dishes. The frog's forelimbs and hind legs are fried in oil, while in the

method (in which the entire frog is utilized), they are cooked in soy sauce and

vinegar Vinegar is an aqueous solution of acetic acid and trace compounds that may include flavorings. Vinegar typically contains 5–8% acetic acid by volume. Usually, the acetic acid is produced by a double fermentation, converting simple sugars to eth ...

References

{{Taxonbar, from=Q711322 Hoplobatrachus Frogs of Asia Amphibians of Myanmar Amphibians of Cambodia Frogs of China Fauna of Hong Kong Amphibians of Laos Amphibians of Malaysia Amphibians of the Philippines Amphibians of Taiwan Amphibians of Thailand Amphibians of Vietnam Taxonomy articles created by Polbot Amphibians described in 1834