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Rasbora tornieri AHL, 1922

March 22nd, 2013 — 9:52am

Type locality is ‘Central Sumatra, Indonesia’, with additional records existing from Cambodia (Mekong drainage), Peninsular Malaysia (Perak River), Sumatra (from the Siak River, Riau province to the Musi River, South Sumatra (Sumatera Selatan) province) and Borneo (south and westwards from the Belait river basin in Brunei Darussalam to the Sambas drainage in West Kalimantan (Kalimantan Barat) province, Indonesia and probably in Sarawak, Malaysia).

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Parosphromenus opallios KOTTELAT & NG, 2005

February 28th, 2013 — 9:32pm

Endemic to Central Kalimantan (Kalimantan Tengah) province, Borneo, Indonesia although the full extent of its range remains somewhat unclear.

Initial collections were from the southwestern tip of the province, in the Jelai Bila river basin near Sukamara and Lamand basin close to Pangkalan Bun, both of which are tributaries within the Arut drainage, while it’s subsequently been recorded in the Benipah river system further east.

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Parosphromenus linkei KOTTELAT, 1991

February 26th, 2013 — 7:42pm

This species is said to be slightly easier to maintain than the majority of congeners and is therefore a recommended choice for those new to maintaining Parosphromenus spp. in the aquarium.

It’s occasionally available on a commercial basis and we’ve seen it traded as ‘moonspot licorice gourami’ in the past.

There exist at least three colour forms on…

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Gastromyzon lepidogaster ROBERTS, 1982

January 9th, 2013 — 1:05pm

This species is variable in terms of colour. Large adults may be bright green, orange or barred but are apparently capable of changing from barred to plain in just a few seconds.

These different forms have been recorded in the same natural habitats, and some individuals also possess prominent nuptial tubercules covering much of the body.

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Betta midas TAN, 2009

November 17th, 2012 — 6:51pm

Not recommended for the standard community set-up for reasons already touched upon. It’s requirements and disposition mean it’s best kept alone or with very peaceful species since much bigger or more vigorous fishes are likely to intimidate and outcompete it.

Some small cyprinids and loaches that inhabit similar environments in nature are compat…

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Desmopuntius endecanalis (ROBERTS, 1989)

July 2nd, 2012 — 11:49am

Probably a micropredator feeding on small insects, worms, crustaceans and other zooplankton in nature. In the aquarium it will accept dried foods of a suitable size but should not be fed these exclusively. Daily meals of small live and frozen fare such as Daphnia, Artemia, and suchlike will result in the best colouration and encourage the fish to come into breeding condition.

It’s a schooling species by natur…

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Desmopuntius trifasciatus (KOTTELAT, 1996)

June 19th, 2012 — 4:51pm

This species is one of three similar-looking members of the genus alongside D. johorensis and D. trifasciatus, while it may also be confused with Striuntius lineatus.

Juveniles of all except S. lineatus exhibit a vertically-barred rather than laterally-striped colour pattern, the metamorphosis to adult patterning beginning at around 20 mm SL and normally being complete by 30-40 mm.

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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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Betta pinguis TAN & KOTTELAT, 1998

May 1st, 2012 — 10:46am

B. pinguis is included in the Betta akarensis group/complex of closely-related species within the genus, of which members share the following set of characters: possession of pre-orbital and post-orbital stripes (the post-orbital stripe is faint or interrupted in some species); chin bar present; caudal-fin lanceolate with highly extended median rays in mature males; caudal fin usually with transverse bars; greenish or bluish iridescent scales on body of males in some species; opercle without iridescent scales except in juveniles.

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Betta edithae VIERKE, 1984

April 30th, 2012 — 1:40pm

This species is the only member of the B. edithae group within the genus, and separated from all other Betta spp. by the fact that the branchiostegal membrane and posterior portion of the opercle are opaque or translucent.

The original diagnosis by Vierke also states that it has relatively small eyes and short fins with a typical pattern of partial barring.

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