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Opsarius koratensis (SMITH, 1931)

October 5th, 2012 — 11:52am

Inhabits well-oxygenated, low-to-medium gradient, slow to moderate-flowing rivers and streams with substrates of gravel, cobbles, larger boulders and exposed bedrock. At the habitat in our image pH was 7.5, temperature 26°C and cond…

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Barbodes aurotaeniatus (TIRANT, 1885)

July 10th, 2012 — 4:01pm

B. aurotaeniatus is uncommon in the aquarium trade. Following Kottelat (1998) it has a single pair of maxillary barbels, a complete lateral line and colour pattern usually comprising four small, vertically-orientated black markings on the flanks (located above anterior lateral line origin, below dorsal-fin origin, below posterior end of dorsal-fin base and on caudal peduncle, respectively) and one on the dorsal surface, below dorsal-fin origin.

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Barbonymus gonionotus (BLEEKER, 1849)

April 17th, 2012 — 12:51pm

The genus Barbonymus was erected by Kottelat in 1999 and contains former members of Barbodes from southeast Asia. The type species is B. schwanenfeldii and currently there exist only three other representatives; B. altus, B. collingwoodii and B. gonionotus.

The latter two are rare in the hobby although an SF member has kept B. gonionotus in the past so they are worth looking out for if you harbour an…

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Nemacheilus platiceps KOTTELAT, 1990

March 13th, 2012 — 1:25pm

This species is only traded occasionally. It’s distinguished from congeners by a combination of characters including: 12-16 dark, irregular, vertical bars on body, usually split vertically; lips without furrows; inco…

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Nemacheilus pallidus KOTTELAT, 1990

March 13th, 2012 — 1:25pm

The similar-looking N. masyai is sometimes traded as N. pallidus, but the two can be told apart by body depth (14.8-19.1 % in N. pallidus vs. 12.6-17.6 % SL in N. masyai), interorbital width (5.7-8.0 % vs. 4.9-6.8 % SL) and the fact that in N. pallidus the dark body bars and saddles are thinner than the light-coloured interspaces between (vs. wider in N. masyai).

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Lepidocephalichthys hasselti (VALENCIENNES, 1846)

March 13th, 2012 — 1:25pm

At one locality close to Ban Na Hwai, Chiang Mai Province, Thailand L. hasselti was collected from a shallow (<0.5 m) pool in a swampy zone between forest and rice fields. The substrate was of mud, there was no aquatic vegetation and it was being used as drinking water by local animals, with the only effluent connected to a 'small creek'. Other species found there were Physoschistura pseudobrunneana, Rasbora hobelmani and Systomus cf. orphoides.

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Cyclocheilichthys apogon (VALENCIENNES, 1842)

Beardless Barb

March 13th, 2012 — 1:24pm

In the aquarium trade this species may also be seen on sale as ‘skinhead barb’. As with others in the genus little has been written regarding its captive care but it makes a peaceful and unusual addition to larger aquaria. The best way of obtaining it may be to keep an eye on shipments of wild fishes from Indochina and the Greater Sunda Islands as it’s rarely imported in large numbers and most often arrives as bycatch.

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Crossocheilus reticulatus (FOWLER, 1934)

March 13th, 2012 — 1:24pm

While some laterally-striped members of the genus look very similar to one another the combination of silvery body, dark-edged scales and dark caudal peduncle blotch set C. reticulatus uniquely apart.

The names Crossocheilus tchangi, Epalzeorhynchos coatesi and E. stigmaeus are all now considered synonyms of the species but were erected because the fish vary, most often in minor aspects of patt…

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Puntigrus partipentazona (FOWLER, 1934)

March 13th, 2012 — 1:23pm

Recorded from numerous river basins in Vietnam, Cambodia, Laos, Thailand, and Peninsular Malaysia, including the Mekong, Chao Phraya, Mae Khlong, Chanthaburi, Tapi, Golok, Terengganu, Pahang, Endau, and Muar.

Type locality is ‘Kratt, southeastern Siam’, which corresponds to modern-day Trat Province, Thailand.

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Mystacoleucus obtusirostris (VALENCIENNES, 1842)

March 13th, 2012 — 1:23pm

This species is occasionally marketed as ‘Burmese Rainbow Barb’ in the ornamental trade. others may have been exported in small numbers or as bycatch among shipments of other species.

It was referred to as Mystacoleucus marginatus for decades, but that name is a simultaneous subjective synonym of M. obtusirostris following Kottelat (2013).

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