''Pseudobagrus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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 a geocultural region of Asia. It includes China, Japan, Mongolia, North Korea, South Korea, and Taiwan, plus two special administrative regions of China, Hong Kong and Macau. The economies of Economy of China, China, Economy of Ja ...

. About half of these species occur in

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. 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'' may not be

monophyletic In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade – that is, a grouping of organisms which meets these criteria: # the grouping contains its own most recent co ...

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''. ''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, whisker like sensory organ near the mouth (sometimes called whiskers or tendrils). Fish that have barbels include the catfish, the carp, the goatfish, the hagfish, the sturgeon, the z ...

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

dorsal fin A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous. They are found ...

spines;

pelvic fin Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other being the laterally positioned pectoral fins). The pelvic fins are homologous to the hi ...

small; and

caudal fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported only ...

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

Miocene The Miocene ( ) is the first epoch (geology), 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 mea ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

.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'' Ōshima, 1919 * '' Pseudobagrus albomarginatus'' ( Rendahl ( de), 1928) * '' Pseudobagrus analis'' ( Nichols, 1930) * '' Pseudobagrus aurantiacus'' (

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

Schlegel Schlegel is a German occupational surname. Notable people with the surname include: * Anthony Schlegel (born 1981), American football player * August Wilhelm Schlegel (1767–1845), German poet, brother of Friedrich * Brad Schlegel (born 1968), C ...

, 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 E is the fifth letter of the Latin alphabet. E or e may also refer to: Computing and computation * E (1970s text editor), a text editor developed at the Stanford AI Lab in the 1970s * E (complexity), a set of decision problems solvable by a ...

References

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