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Cyclocheilos enoplos (BLEEKER, 1849)

October 13th, 2014 — 8:47pm

In the Mekong, it has been observed to migrate upstream from Phnom Penh to Khone Falls between November and February, returning downstream between May and August. The downstream migration ends in the Mekong delta area in Vietnam, where the fish remain until the floods reach their peak in October and November. These lower Mekong migrations mostly comprise juveniles and sub-adults, whereas above Khone Falls…

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Cyclocheilichthys armatus (VALENCIENNES, 1842)

September 30th, 2014 — 5:21pm

It can be distinguished from congeners by possessing one or two pairs of barbels, a black blotch at the base of the caudal-fin, and rows of dark spots along the lateral scale rows.

Members of Cyclocheilichthys are characterised by possessing a serrated dorsal fin spine, 9 branched pelvic fin rays, a conical snout, small, subterminal…

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Chitala lopis (BLEEKER, 1851)

Giant Featherback

May 17th, 2014 — 2:51pm

This species is not collected for the aquarium trade at time of writing.

In contrast to other members of the genus older juvenile and adult individuals lack dark markings on the body while the jaw is more pronounced.

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Channa lucius (CUVIER, 1831)

Forest Snakehead

July 10th, 2013 — 4:05pm

Prefers a dimly-lit aquarium with plenty of cover in the form of live plants, driftwood branches, terracotta pipes, plant pots, etc., arranged to form a network of nooks, crannies, and shaded spots.

Surface vegetation such as Ceratopteris spp. is also appreciated and makes the fish less inclined to conceal themselves.

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Xenentodon canciloides (BLEEKER, 1854)

May 30th, 2013 — 11:00am

This species is a near-exclusive inhabitant of the upper water column and appreciates surface cover in the form of floating or overhanging vegetation.

Other décor is relatively unimportant but can consist of a sandy substrate with leaf litter plus some large driftwood branches and twisted roots.

Plants which can grow rooted in sand can al…

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Brachygobius xanthomelas HERRE, 1937

November 13th, 2012 — 4:34pm

Type locality is ’55 miles north of Singapore, freshwater ditches, Mawai District, Johore, Malaysia’, and this species has been recorded throughout much of Peninsular Malaysia and southern Thailand.

Records from Borneo and Singapore appear to be in error although it may have been extirpated from the latter but as with most members of the genus a degree of confusion surrounds its identity (see ‘Notes’).

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Nemacheilus selangoricus DUNCKER, 1904

May 27th, 2012 — 5:46pm

N. selangoricus is most similar to N. spiniferus since it possesses acuminate scales above and below the lateral line on the caudal peduncle, a feature not shared with any other congener. It can however be distinguished by the following characters: presence of 8-12 very regular dark bars on flanks (vs. 10-13 irregularly-shaped bars in N. spiniferus), 3-5 times…

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Homaloptera ogilviei ALFRED, 1967

May 18th, 2012 — 7:55pm

The reason that the paired fins are orientated vertically, as opposed to horizontally in other members of the genus, is unclear but Roberts (1989) suggest it may be an adaptation to this species’ ecology, in that it displays a preference for submerged vegetation or woody structures as opposed to rocky environments. They’re certainly adapted for a rea…

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Akysis hendricksoni ALFRED, 1966

March 13th, 2012 — 1:26pm

This species is among the few members of the family to have been exported for the aquarium hobby. It can be differentiated from all other Akysis species by the following combination of characters: head length 17.7-26.5% of standard length (SL); head width 25.4-28.7% SL; body depth at anus 13.0-17.0% SL; caudal peduncle depth 8.1-10.1% SL; interorbital di…

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Vaillantella maassi WEBER & DE BEAUFORT, 1912

Fork-tailed Loach

March 13th, 2012 — 1:26pm

This species is traded under various names including 'chocolate scissor-tailed loach', chocolate long-finned loach', 'red line cobra loach', 'spiny eel loach' and 'dragon loach'. It's apparently difficult to find in its natural habitats and thus time-consuming to collect, meaning it's rarely traded in numbers, sought after by enthusiasts and tends to carry a relatively high price tag when available.

The genus currently contains just three…

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