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Labiobarbus leptocheilus VALENCIENNES, 1842

October 26th, 2014 — 6:32pm

Different populations vary in appearance somewhat (see image of Salween specimen for example), and L. leptocheilus may turn out to represent a group of closely-related species rather than a single taxon. The population from the Cambodian Mekong has been considered to represent a distinct species, Labiobarbus lineatus, although that name is currently a synonym of L. leptocheilus following Kottelat (2013). It is widely used in the ornamental trade, however.

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Bangana devdevi HORA, 1936

October 26th, 2014 — 4:51pm

Known with certainty from the Irrawaddy River system in Manipur state, India, and Myanmar, and the Salween watershed in eastern Myanmar and northwestern Thailand. Records from the Red River basin in Vietnam appear questionable.

Type locality is ‘Burma: Myitkyina District: Mali Hka basin: Phungin Hka;’.

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Hypsibarbus salweenensis RAINBOTH, 1996

October 25th, 2014 — 1:13pm

Endemic to the Salween river system in Yunnan province, southern China, eastern Myanmar, and northwestern Thailand.

Type locality is ‘Salween River midway between Mae Sam Laep and Paleh, Mae Hong Son province, Thailand.’

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Garra salweenica HORA & MUKERJI, 1934

October 22nd, 2014 — 10:52am

G. salweenica can be distinguished from other congeners inhabiting the Salween watershed by the following combinatuion of characters: body brownish; presence of a trilobed proboscis on the snout; snout blunt; a series of black spots at the base of the central dorsal-fin rays; presence of longitudinal stripes on the posterior portion of the body; a dark marking at the tip of the upper (and lower in some specimens) caudal-fin lobe; body depth 22.4-25.3 % SL.

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Garra notata (BLYTH, 1860)

October 20th, 2014 — 4:10pm

G. notata is one of a number of congeners to lack both a transverse groove and a proboscis on the snout. It also possesses 33-34 lateral line scales and a series of dark spots at the base of the dorsal-fin rays, and lacks scales on the lower portion of the body and abdomen.

The genus Garra is a particularly enigmatic grouping with new taxa…

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Folifer brevifilis (PETERS, 1881)

October 19th, 2014 — 1:33pm

This species is widely-distributed in the Mekong river system in Thailand, Laos, and Vietnam, Salween and Ayeyarwaddy rivers in southern China, Myanmar, and Thailand, plus various smaller basins in Vietnam and China. It has also been recorded from the islands of Hainan and Hong Kong.

Type locality is given as ‘China: sent from Hong Kong’.

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Esomus caudiocellatus AHL, 1924

October 19th, 2014 — 12:31pm

E. caudiocellatus can be told apart from congeners by lacking a dark lateral stripe and possessing a prominent dark marking on the caudal peduncle.

In recent years a number of phylogenetic studies involving Esomus and its near relatives have been conducted and conflicting results published. For example a 2003 study by Fang et al. concluded that the genus is the sister group, i.e., most closely-related to…

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Crossocheilus burmanicus HORA, 1936

August 25th, 2014 — 3:17pm

We’ve been unable to obtain a diagnosis for this species to date but it can at least be distinguished from those congeners traded as ‘Crossocheilus siamensis’ (an invalid name synonymous with C. oblongus, which is itself of questionable identity), ‘Siamese algae eater’, or ‘SAE’ by the fact that the dark lateral stripe does not extend into the caudal-fin.

Members of Crossocheilus are characterised by…

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Abbottina rivularis (BASILEWSKY, 1855)

Chinese False Gudgeon

June 24th, 2014 — 6:58pm

Native to continental China, the Korean peninsula, and southern Japan. Type locality is given only as ‘Lakes and rivers, northern China’, with the type series possibly originating from the Pai-ho River near Beijing.

It has been widely introduced and is considered invasive elsewhere, including the Mekong river basin (records from Laos and Thailand), Salween river (Myanmar), northern Japan, Taiwan, Turkmeni…

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Bagarius bagarius (HAMILTON, 1822)

February 15th, 2014 — 12:12pm

There is considerable confusion surrounding the identity of B. bagarius with its name having been widely applied to a relatively small species that is said to reach only 200 mm SL and considered to be common in northern India and much of Indochina.

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