Hemibagrus is a genus of catfishes (order Siluriformes) of the family Bagridae.
The genus Hemibagrus is known from Southeast Asia, India, and southern China. Members of this genus are found ubiquitously in river drainages east of the Ganges-Brahmaputra basin and south of the Yangtze basin, and reach their greatest diversity in Sundaland.
This genus consists of large-sized catfishes. H. wyckioides is the largest Bagrid catfish in central Indochina 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 fins.
In Southeast Asia, Hemibagrus species are an important source of animal protein.
The extinct species, H. major, is a fossil species from a Miocene lake fauna from what is now Ban Nong Pia, Phetchabun Province of Thailand.
Species There are currently 33 recognized species in this genus:
Hemibagrus baramensis (Regan, 1906) Hemibagrus bongan (Popta, 1904) Hemibagrus capitulum (Popta, 1906) Hemibagrus caveatus H. H. Ng, Wirjoatmodjo & Hadiaty, 2001 Hemibagrus centralus Đ. Y. Mai, 1978 Hemibagrus chiemhoaensis V. H. Nguyễn, 2005 Hemibagrus divaricatus H. H. Ng & Kottelat, 2013 Hemibagrus filamentus (P. W. Fang & Chaux, 1949) Hemibagrus fortis (Popta, 1904) 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 imbrifer H. H. Ng & Ferraris, 2000 Hemibagrus lacustrinus H. H. Ng & Kottelat, 2013 Hemibagrus macropterus Bleeker, 1870 Hemibagrus maydelli (Rössel, 1964) Hemibagrus menoda (F. Hamilton, 1822) (Menoda catfish) Hemibagrus microphthalmus (F. Day, 1877) Hemibagrus nemurus (Valenciennes, 1840) (Yellow catfish) Hemibagrus olyroides (T. R. Roberts, 1989) Hemibagrus peguensis (Boulenger, 1894) Hemibagrus planiceps (Valenciennes, 1840) Hemibagrus pluriradiatus (Vaillant, 1892) Hemibagrus punctatus (Jerdon, 1849) Hemibagrus sabanus (Inger & P. K. Chin, 1959) Hemibagrus semotus H. H. Ng & Kottelat, 2013 Hemibagrus spilopterus H. H. Ng & Rainboth, 1999 Hemibagrus variegatus H. H. Ng & Ferraris, 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) Synonyms Hemibagrus amemiyai (Sh. Kimura, 1934); valid as H. macropterus Hemibagrus camthuyensis V. H. Nguyễn, 2005; valid as H. vietnamicus Hemibagrus chrysops H. H. Ng & Dodson, 1999; valid as H. capitulum Hemibagrus dongbacensis V. H. Nguyễn, 2005; valid as H. guttatus Hemibagrus furcatus H. H. Ng, Martin-Smith & P. K. L. Ng, 2000; valid as H. baramensis Hemibagrus hongus Đ. Y. Mai, 1978; valid as H. guttatus Hemibagrus johorensis (Herre, 1940); valid as H. capitulum Hemibagrus songdaensis V. H. Nguyễn, 2005; valid as H. pluriradiatus Hemibagrus taybacensis V. H. Nguyễn, 2005; valid as H. pluriradiatus
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