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Datnioides pulcher (KOTTELAT, 1998)

Siamese Tiger Perch

October 28th, 2015 — 2:51pm

The massive decline in wild populations, hypothesised to be in excess of 90% since the mid-1980s, is thought to have been caused by a variety of factors, including habitat alteration due to construction of dams and other infrastructure, removal of riparian vegetation, and urban pollution, plus over fishing for both human consumption and the aquarium trade.

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Lobocheilos rhabdoura (FOWLER, 1934)

November 2nd, 2014 — 8:08pm

Lobocheilos species are specialised grazers of periphyton, benthic algae, and other organisms which grow attached to rocks and other solid surfaces, and they typically leave visible scrape marks in places where they have been feeding.

They are by no means herbivorous and should be offered meaty foods such as live or frozen chironomid larvae (bloodworm), Tubifex, Artemia, chopped prawn, etc., along with good quality, sinking dried products, at lea…

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Lobocheilos melanotaenia (FOWLER, 1935)

November 2nd, 2014 — 7:00pm

The majority of Lobocheilos species are endemic to the Greater Sunda Islands of Borneo, Sumatra, and Java, and are uncommon in the aquarium trade, but the widespread Indochinese taxa L. melanotaenia and L. rhabdoura are available on a sporadic basis.

L. melanotaenia can be distinguished from L. rhabdoura by the following comb…

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'Inlecypris' maetaengensis (FANG, 1997)

Fire Bar 'Danio'

July 26th, 2013 — 2:40pm

A peaceful species suited to a well-chosen community aquarium.

There are plenty of potential tankmates including many cyprinids, loaches, cichlids, catfishes and characins, although as always proper research is essential in order to avoid problems.

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Rhinogobius chiengmaiensis FOWLER, 1934

Chiangmai Stream Goby

June 21st, 2013 — 4:11pm

This species has been exported for the ornamental trade but often labelled as the congener R. mekongianus.

Although the two do appear relatively similar R. chiengmaiensis can be identified by a combination of external characters including: presence of 5 irregular dark markings on the body (vs. 7-8 i…

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Opsarius infrafasciatus (FOWLER, 1934)

April 18th, 2013 — 4:54pm

This species has previously been considered synonymous with both O. ornatus and O. pulchellus but is currently considered to be distinct following (Tejavej, 2012).

It can be distinguished from congeners by a combination of characters including: small caudal spot presen…

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Schistura spilota (FOWLER, 1934)

March 13th, 2012 — 1:25pm

Not a commonly species in the aquarium hobby but sporadically available in shipments of wild fishes from Thailand.

Following Kottelat (1990) it’s a member of a group of species possessing a complete or near-complete lateral line, 8 ½ branched dorsal-fin rays, 17 branched caudal-fin rays and lacking sexual dimorphism (the latter is not strictly true – see above).

Its colour pattern is quite distinctive, howe…

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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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Mystacoleucus greenwayi PELLEGRIN & FANG, 1940

March 13th, 2012 — 1:24pm

Predominantly a riverine fish favouring clear, well-oxygenated, running water with substrates of sand or gravel and often present in rock and boulder-filled headwater streams.

In the Mun River, close to the Pak Mun dam, Thailand, sympatric species included Hampala dispar, Cyclocheilichthys apogon, Osteochilus hasseltii,…

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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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