''Pseudobagrus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

bagrid catfish The Bagridae are a family of catfish that are native to Africa ('' Bagrus'') and Asia (all other genera) from Japan to Borneo. It includes about 245 species. These fish are commonly known as naked catfishes or bagrid catfishes. Many large bagrid ...

es that inhabit streams and rivers throughout

East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...

. About half of these species occur in

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 ...

. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some recent literature as valid in ''Pseudobagrus''. It has been noted that ''

Pelteobagrus ''Pelteobagrus'' is a genus of bagrid catfishes found in eastern Asia. The taxonomy of this genus is unclear and many authorities treat it as a junior synonym of '' Tachysurus'' and the type species of the genus, is ''Silurus calvarius'' which is ...

'' may not be

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...

if species placed in ''Pseudobagrus'' and ''Coreobagrus'' were excluded. The taxonomy of this genus is unclear and many authorities treat it as a junior synonym of ''

Tachysurus ''Tachysurus'' is a genus of bagrid catfishes found in eastern Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares t ...

''. ''Pseudobagrus'' species are small- to mid-sized bagrid catfishes. These fish all have an inferior mouth; narial openings widely separated; four pairs of

barbels In fish anatomy and turtle anatomy, a barbel is a slender, whiskerlike sensory organ near the mouth. Fish that have barbels include the catfish, the carp, the goatfish, the hagfish, the sturgeon, the zebrafish, the black dragonfish and some ...

; top of head covered by skin in most species; two

dorsal fin A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through conv ...

spines;

pelvic fin Pelvic fins or ventral fins are paired fins located on the ventral surface of fish. The paired pelvic fins are homologous to the hindlimbs of tetrapods. Structure and function Structure In actinopterygians, the pelvic fin consists of two en ...

small; and

caudal 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 ...

emarginate, truncate or round. One fossil species, '' P. ikiensis'' Watanabe & Uyeno, is known from the Middle

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 ...

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 ...

.Watanabe, K. and Uyeno, T.; ''Fossil bagrid catfishes from Japan and their zoogeography, with description of a new species,'' Pseudobagrus ikiensis: Ichthyological Research Volume 46, Number 4, 397-412

Species

There are currently 32 recognized species in this genus: * ''

Pseudobagrus adiposalis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' Ōshima, 1919 * ''

Pseudobagrus albomarginatus ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' (

Rendahl Carl Hialmar Rendahl (born Jönköping 26 December 1891; died Stockholm 2 May 1969) was a Swedish zoologist, cartoonist and painter. He is most famous in Sweden for his authorship of ''Fågelboken'', the "bird book" which sold 60,000 copies. Renda ...

( de), 1928) * ''

Pseudobagrus analis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' (

Nichols Nichols may refer to: People *Nichols (surname) *Nichol, a surname Places Canada * Nichols Islands, Nunavut United States * Nichols, California, an unincorporated community * Nichols Canyon, Los Angeles, California * Nichols, Connecticut * Nic ...

, 1930) * ''

Pseudobagrus aurantiacus ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' (

Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch aristocrat, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. From his father, Jacob Temminck ...

Schlegel Schlegel is a German occupational surname. Notable people with the surname include: * Anthony Schlegel (born 1981), former American football linebacker * August Wilhelm Schlegel (1767–1845), German poet, older brother of Friedrich * Brad Schlege ...

, 1846) * ''

Pseudobagrus brachyrhabdion ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' J. L. Cheng, Ishihara & E. Zhang, 2008 * ''

Pseudobagrus brevianalis ''Pseudobagrus brevianalis'' is a species of bagrid catfish endemic to Taiwan. First collected from Sun Moon Lake (the type locality), it is found in central and northern Taiwan, west of the Central Mountain Range. Based on the lack of morpholog ...

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'' ...

, 1908 * '' Pseudobagrus brevicaudatus'' ( H. W. Wu, 1930) * '' Pseudobagrus crassilabris'' ( Günther, 1864) * '' Pseudobagrus eupogoides'' H. W. Wu, 1930 * '' Pseudobagrus fui'' C. P. Miao, 1934 * ''

Pseudobagrus gracilis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' Jie Li, X. L. Chen & B. P. L. Chan, 2005 * '' Pseudobagrus hwanghoensis'' ( T. Mori, 1933) * '' Pseudobagrus kaifenensis'' ( T. L. Tchang, 1934) * ''

Pseudobagrus koreanus ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' Uchida, 1990 * '' Pseudobagrus kyphus'' Đ. Y. Mai, 1978 * ''

Pseudobagrus medianalis The Dianchi bullhead, ''Pseudobagrus medianalis'', is a species of catfish in the family Bagridae. It is endemic to the Lake Dianchi basin in Yunnan, China China, officially the People's Republic of China (PRC), is a country in East Asia ...

'' (

, 1904) * '' Pseudobagrus microps'' (

( de), 1932) * '' Pseudobagrus nubilosus'' H. H. Ng & Freyhof, 2007 * ''

Pseudobagrus omeihensis ''Pseudobagrus omeihensis'' is a species of fish classified into the family Bagridae, included at order Siluriformes. Distribution The fish lives in the region of O-mei Hsien, China. References Bibliography * Eschmeyer, William N., ed. 1998. ...

'' (

, 1941) * '' Pseudobagrus ondon'' T. H. Shaw, 1930 * '' Pseudobagrus pratti'' ( Günther, 1892) * '' Pseudobagrus rendahli'' ( Pellegrin & P. W. Fang, 1940) * ''

Pseudobagrus sinyanensis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' (T. S. Fu, 1935) * '' Pseudobagrus taeniatus'' ( Günther, 1873) * ''

Pseudobagrus taiwanensis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' Ōshima, 1919 * '' Pseudobagrus tenuifurcatus'' (

, 1931) * ''

Pseudobagrus tenuis ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' ( Günther, 1873) * '' Pseudobagrus tokiensis'' Döderlein ( de), 1887 * ''

Pseudobagrus trilineatus ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' ( C. Y. Zheng, 1979) * '' Pseudobagrus truncatus'' (

, 1913) * '' Pseudobagrus vachelli''Zhang, G., Wang, R., Mao, J., Yin, S., Tao, P., Chen, J., ... & Chen, S. (2016). The complete mitochondrial genome and phylogenic analysis of Pseudobagrus vachelli. Mitochondrial DNA Part A, 27(5), 3551-3552. * ''

Pseudobagrus wangi ''Pseudobagrus'' is a genus of bagrid catfishes that inhabit streams and rivers throughout East Asia. About half of these species occur in China. The two ''Coreobagrus'' species, ''C. brevicorpus'' and ''C. ichikiwai'', are both treated in some ...

'' C. P. Miao, 1934

References

{{Taxonbar, from=Q5030969 Bagridae Fish of Asia Taxa named by Pieter Bleeker Catfish genera