''Hemibagrus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

es (

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of ...

Siluriformes) of the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Bagridae. The genus ''Hemibagrus'' is known from

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 south-eastern region of Asia, consisting of the regions that are situated south of mainland ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

, and southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

. Members of this genus are found ubiquitously in river drainages east of the

Ganges The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is ...

Brahmaputra The Brahmaputra is a trans-boundary river which flows through Tibet, northeast India, and Bangladesh. It is also known as the Yarlung Tsangpo in Tibetan, the Siang/Dihang River in Arunachali, Luit in Assamese, and Jamuna River in Bangla. It ...

basin and south of the

Yangtze The Yangtze or Yangzi ( or ; ) is the longest river in Asia, the third-longest in the world, and the longest in the world to flow entirely within one country. It rises at Jari Hill in the Tanggula Mountains (Tibetan Plateau) and flows ...

basin, and reach their greatest diversity in

Sundaland Sundaland (also called Sundaica or the Sundaic region) is a biogeographical region of South-eastern Asia corresponding to a larger landmass that was exposed throughout the last 2.6 million years during periods when sea levels were lower. It ...

. This genus consists of large-sized catfishes. '' H. wyckioides'' is the largest Bagrid catfish in central

Indochina Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west an ...

and may reach 80 kilograms. It includes species with depressed (flattened) heads, rugose (ridged or wrinkled) head shields not covered by skin, and moderately long

adipose fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

s. In Southeast Asia, ''Hemibagrus'' species are an important source of animal protein. The extinct species, '' H. major'', is a fossil species from a

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 ...

lake fauna from what is now Ban Nong Pia, Phetchabun Province of

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 b ...

Species

There are currently 41 recognized species in this genus: * '' Hemibagrus amemiyai'' ( Sh. Kimura, 1934) * '' Hemibagrus baramensis'' (

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1906) * '' Hemibagrus bongan'' ( Popta, 1904) * '' Hemibagrus camthuyensis'' V. H. Nguyễn, 2005 * '' Hemibagrus caveatus'' H. H. Ng, Wirjoatmodjo & Hadiaty, 2001 * '' Hemibagrus centralus'' Đ. Y. Mai, 1978 * '' Hemibagrus chiemhoaensis'' V. H. Nguyễn, 2005 * '' Hemibagrus chrysops'' H. H. Ng & Dodson, 1999 * '' Hemibagrus divaricatus'' H. H. Ng &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandCo ...

, 2013Ng, H.H. & Kottelat, M. (2013)
Revision of the Asian catfish genus Hemibagrus Bleeker, 1862 (Teleostei: Siluriformes: Bagridae).
''The Raffles Bulletin of Zoology, 61 (1): 205-291.'' * '' Hemibagrus dongbacensis'' V. H. Nguyễn, 2005 * '' Hemibagrus filamentus'' ( P. W. Fang & Chaux, 1949) * '' Hemibagrus fortis'' ( Popta, 1904) * '' Hemibagrus furcatus'' H. H. Ng, Martin-Smith & P. K. L. Ng, 2000 * '' Hemibagrus gracilis'' P. K. L. Ng & H. H. Ng, 1995 * '' Hemibagrus guttatus'' ( Lacépède, 1803) * '' Hemibagrus hainanensis'' ( T. L. Tchang, 1935) * '' Hemibagrus hoevenii'' ( Bleeker, 1846) * '' Hemibagrus hongus'' Đ. Y. Mai, 1978 * '' Hemibagrus imbrifer'' H. H. Ng &

Ferraris Ferrari S.p.A. (; ) is an Italian luxury sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari (1898–1988) in 1939 from the Alfa Romeo racing division as ''Auto Avio Costruzioni'', the company built its first car in ...

, 2000 * '' Hemibagrus johorensis'' ( Herre, 1940) * '' Hemibagrus lacustrinus'' H. H. Ng &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandCo ...

, 2013 * '' Hemibagrus macropterus'' Bleeker, 1870 * '' Hemibagrus maydelli'' ( Rössel, 1964) * '' Hemibagrus menoda'' ( F. Hamilton, 1822) (Menoda catfish) * '' Hemibagrus microphthalmus'' ( F. Day, 1877) * '' Hemibagrus nemurus'' (

Valenciennes Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a ...

, 1840) (Yellow catfish) * '' Hemibagrus olyroides'' ( T. R. Roberts, 1989) * '' Hemibagrus peguensis'' (

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858– ...

, 1894) * '' Hemibagrus planiceps'' (

, 1840) * '' Hemibagrus pluriradiatus'' ( Vaillant, 1892) * '' Hemibagrus punctatus'' ( Jerdon, 1849) * '' Hemibagrus sabanus'' ( Inger & P. K. Chin, 1959) * '' Hemibagrus semotus'' H. H. Ng &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandCo ...

, 2013 * '' Hemibagrus songdaensis'' V. H. Nguyễn, 2005 * '' Hemibagrus spilopterus'' H. H. Ng & Rainboth, 1999 * '' Hemibagrus taybacensis'' V. H. Nguyễn, 2005 * '' Hemibagrus variegatus'' H. H. Ng &

, 2000 * '' Hemibagrus velox'' H. H. Tan & H. H. Ng, 2000 * '' Hemibagrus vietnamicus'' Đ. Y. Mai, 1978 * '' Hemibagrus wyckii'' ( Bleeker, 1858) * '' Hemibagrus wyckioides'' ( P. W. Fang & Chaux, 1949)

References

External links

* Bagridae Fish of Asia Catfish genera Taxa named by Pieter Bleeker {{bagridae-stub