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Epalzeorhynchos munense (SMITH, 1934)

March 13th, 2012 — 1:24pm

This species does not appear to be in the aquarium hobby at time of writing though it may have been in the past, when exports of wild Epalzeorhynchos spp. still took place.

Most members of the genus were formerly regarded as Labeo spp. and are thus referred to as such in older literature. According to Rainboth (1996) they’re characterised by absence of a dorsal spine, possession of 10-13 branched dorsal fin rays, a thin membrane…

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Discherodontus schroederi (SMITH, 1945)

March 13th, 2012 — 1:24pm

It’s also been collected in more open areas but wherever it is found the substrate is composed of boulders, smaller stones, sand and/or gravel along with decomposing plant material. From images we’ve seen typical habitats are composed of short sections of rocky rapids interspersed by deeper pools with exposed bedrock.

Rainboth describes how he collected a large group of…

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Eirmotus insignis TAN & KOTTELAT, 2008

March 13th, 2012 — 1:24pm

Typically inhabits slow-moving, shallow, shady rainforest streams and swamps with dense submerged and marginal vegetation. The conditions are often rather turbid and the substrate composed of mud or fallen leaves, twigs and branches. Such environments characteristically contain soft, weakly acidic water and are often dimly-lit due to the rainforest canopy above. The fish are found sheltering among overhanging tree roots and aquatic vegetation.

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Osteochilus nashii

March 13th, 2012 — 1:24pm

This species is very scarce in the trade indeed and you're most likely to see it on sale as a contaminant among import of other Indian species.

There are currently 34 described species of Osteochilus although none can be considered popular in the aquarium hobby. According to Rainboth's 'Fishes of the Cambodian Mekong' members of the genus are characterised by lack of aspine, presence of 11-18rays, large rostral and maxillary barbels, papillae on both upper and lower lips,…

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Oreichthys sp. 'Myanmar Redfin'

March 13th, 2012 — 1:24pm

This fish is one of several sometimes imported and sold as Oreichthys cosuatis or O. parvus which has led to considerable confusion. It appears to be an undescribed species and can be most easily identified by the absence of a dark marking in the dorsal-fin of adult males (vs. presence in O. cosuatis and O. parvus) and possession of a large, well-defined black blotch on the caudal peduncle ( vs. absent in O. cosuatis, smaller and less well-defined in O. parvus).

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Mystacoleucus argenteus (DAY, 1888)

March 13th, 2012 — 1:24pm

All Mystacoleucus species possess a procumbent predorsal spine orientated towards the head, though it can be difficult to spot with the naked eye. This can become entangled in an aquarium net so care must be taken when handling the fish.

The trait is shared by members of Tor, Spinibarbus and Paraspinibarbus although there exists no strong evidence to suggest that these genera form a monophyletic lineage and it is…

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Oreichthys cosuatis (HAMILTON, 1822)

March 13th, 2012 — 1:24pm

An assortment of undescribed Oreichthys spp. from India, Myanmar and Thailand are currently traded as O. cosuatis. It can be distinguished from other described members of the genus by lacking a black blotch on the caudal peduncle, plus the following combination of characters: 2-3 perforated scales in lateral line; ½6½ between pelvic-fin origin and dorsal midline; presence of dark stripe in centre of anal-fin, forming a triangular blotch in adult individuals; dorsal-fin with whitish tip and broad, black, subdistal margin in the upper portion of the fin; 11-13 rows…

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Hampala dispar SMITH, 1934

Spotted Hampala Barb

March 13th, 2012 — 1:24pm

The genus currently contains seven species of which H. macrolepidota and, to a lesser extent, H. dispar are the only ones seen with any regularity in the aquarium trade. As well as having the widest distribution H. macrolepidota is also the largest member of the group. All representatives can appear superficially similar at first glance, the exception being H. lopezi which is endemic to a single island in The Philippines and displays a unique lateral band-like marking on the flanks.

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Cyclocheilichthys janthochir (BLEEKER, 1854)

March 13th, 2012 — 1:23pm

In the exceptionally diverse Danau Sentarum lake system of the upper Kapuas River basin, West Kalimantan, sympatric species include Scleropages formosus, Barbonymus gonionotus, B. schwanenfeldii, Crossocheilus nigriloba, Cyclocheilichthys apogon, C. repasson, Epalzeorhynchos kalopterus, Labiobarbus ocellatus , Leptobarbus hoevenii, Luciosoma spilopleura plus various representatives of Barbodes, Rasbora and Osteochilus.

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Cyclocheilichthys repasson (BLEEKER, 1853)

March 13th, 2012 — 1:23pm

An ideal resident of the larger, well-furnished community set-up though it might upset slow-moving or timid companions simply by its size.

There are plenty of suitable tankmates including many cyprinids, loaches, cichlids, catfish and characins, but as always when selecting a compatible community of fish proper research is essential. A community based around one of its native countries or river basins…

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