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Cyclocheilichthys heteronema (BLEEKER, 1854)

March 13th, 2012 — 1:23pm

This species is currently understood to have a considerable natural range extending eastwards from Myanmar via Thailand, Laos, Cambodia as far as Vietnam and to the south through Peninsular Malaysia and into the Greater Sunda Islands of Borneo and Sumatra.

It thus occurs in the Mekong, Mae Klong and Chao Phraya drainages as well as a host of other river basins, lakes and reservoirs including the Tonlé Sap river…

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Trigonopoma pauciperforatum (WEBER & DE BEAUFORT, 1916)

Glowlight Rasbora

March 13th, 2012 — 1:23pm

This species is also sold as the ‘redline’ rasbora which is something of a misnomer as in reality the colour of the lateral stripe that gives rise to the name can vary from deep orange to golden depending upon the collection locality of the fish as well as diet, condition, and even mood. Some specimens also have a second, darkish stripe beneath the other which seems to vary in length and intensity depending on a similar array of factors. Older fish tend to possess a greater degree of black edging to the scales, especially in the ventral portion of the body.

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Brevibora dorsiocellata (DUNCKER, 1904)

Eyespot Rasbora

March 13th, 2012 — 1:23pm

B. dorsiocellata is sometimes traded as ‘green-eyed’, ’emerald-eyed’ or ‘hi-spot’ rasbora. There appear to exist several geographical forms of the species at least two of which have been seen in the trade. The most common is the rather plain-coloured fish that is produced commercially in large numbers and has gained popularity due to the bright green/blue reflective patch in the lower part of the eye.

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Desmopuntius rhomboocellatus (KOUMANS, 1940)

Snakeskin Barb

March 13th, 2012 — 1:23pm

Endemic to southern Kalimantan, the Indonesian portion of Borneo where it’s been recorded from several river systems including the Kapuas, Kepayang, Barito and Kahajan. Type locality is given as ‘Canal along the highway from Oelin to Bandjermasin, about 15 kilometers from Bandjermasin, Borneo.’

Often referred to as the ‘rhomb’ or ‘rhombo’ barb and included in a group of closely-related, similar-looking congeners which also includes…

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Pethia phutunio (HAMILTON, 1822)

Dwarf Barb

March 13th, 2012 — 1:23pm

In P. phutonio the flank markings comprise two black, vertically-orientated blotches, one posterior to the operculum and the other on the caudal peduncle, and within the P. conchonius group this patterning is shared with P. bandula, P. cumingii, P. didi, P. meingangbii, P. padamya, and P. tiantian.

It can be told apart from these by the following combination of characters: smaller adult size of 25 – 30 mm vs. at least 35 – 40 mm; minute maxillary barbels; incomplete lateral line with ab…

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Pethia setnai CHHAPGAR & SANE, 1992

Narayan Barb

March 13th, 2012 — 1:23pm

This species is widely referred to and traded as the congener ‘Puntiusnarayani (Hora, 1937). The precise identity of the latter is in doubt, however, plus P. setnai possesses a serrated dorsal-fin spine whereas ‘P.

It was formerly included in the Puntius conchonius ‘group’ of closely-related species alongside P. ater, P. bandula, P. conchonius, P. cumingii, P. erythromycter,…

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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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Pethia cumingii (GÜNTHER, 1868)

Cuming's Barb

March 13th, 2012 — 1:23pm

For many years this species was considered to occur in two colour forms with yellow or red dorsal, anal, and pelvic fins, respectively, but the red-finned variant has now been elevated to full species status as P. reval (Meegaskumbura et al. 2008). The latter is a smaller fish with a maximum SL of 33.6 mm recorded to date.

As well as the obvious differences in body size and fin colour P. cumingii can be told apart from P. reval by the following…

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Desmopuntius johorensis (DUNCKER, 1904)

Striped Barb

March 13th, 2012 — 1:23pm

D. johorensis can be distinguished by the following combination of characters: 5-6 dark, lateral stripes on body in specimens larger than 40 mm; stripes immediately above and below the central stripe (stripes ‘+1’ and ‘-1’, respectively) located on scale rows +2 and -2, not touching dorsal and ventral midlines (except in some small specimens from Peninsular Malaysia); stripes broad, typically between 0.5-1 scale rows deep…

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Barbodes kuchingensis (HERRE, 1940)

False Spanner Barb

March 13th, 2012 — 1:23pm

This species is rarely-exported for the aquarium hobby but is available on occasion. The name ‘P.kuchingensis is frequently misapplied, however, with subadult forms of ‘P.everetti and some populations of the geographically-variable ‘P.lateristriga regularly traded as such, for example.

Though closely-affiliated with and superficially very similar to…

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