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Garra notata (BLYTH, 1860)

October 20th, 2014 — 4:10pm

G. notata is one of a number of congeners to lack both a transverse groove and a proboscis on the snout. It also possesses 33-34 lateral line scales and a series of dark spots at the base of the dorsal-fin rays, and lacks scales on the lower portion of the body and abdomen.

The genus Garra is a particularly enigmatic grouping with new taxa…

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Caelatoglanis zonatus NG & KOTTELAT, 2005

July 29th, 2013 — 4:58pm

Known only from the Ataran River system in Kayin state, Myanmar.

The Ataran forms the headwaters of part of the larger Salween drainage, and some of its tributaries extend across the nearby border into Thailand, where it’s known as the Kasat.

Type locality is ‘Stream ”Chon Son’ between Kyondaw and Phadaw, about 20 kilometers north…

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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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Batasio feruminatus NG & KOTTELAT, 2008

April 19th, 2012 — 2:38pm

Batasio spp. are obligate inhabitants of headwater streams and the upper reaches of smaller rivers characterised by shallow, fast-flowing, highly-oxygenated stretches of riffles and runs broken up by pools or cascades in some cases. Images of the Ataran correspondingly depict flowing sections of forest-shaded, seemingly well-oxygenated headwaters containing clear water, a mixed sand/rock substrate and lots of submerged driftwood/leaf litter.

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Akysis vespa NG & KOTTELAT, 2004

Orange-Banded Hillstream Catfish

March 13th, 2012 — 1:26pm

This species is among the few members of the family to be exported for the aquarium hobby and we’ve also seen it on sale under various names such as ‘orange-banded stone catfish’, ‘orange micro bumblebee catfish’, ‘Burmese orange mini bee catfish’ or more simply ‘wasp catfish’. Though the majority of forms are yellowish to orange in colouration there appears to exist a bright red variant which to date we’ve only seen in photos.

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Botia kubotai KOTTELAT, 2004

Polka-Dot Loach

March 13th, 2012 — 1:25pm

Appears to be endemic to headwaters of the Salween River basin around the border between Myanmar and Thailand. The type specimens were collected from the Megathat Chaung (Megathat stream) in the upper Ataran (known as the Kasat in Thai) River basin, Kayin/Karen State, Myanmar and another population was later discovered in the Hanthayaw River (Suriya in Thai), Tak Province, Thailand.

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Paracanthocobitis pictilis (KOTTELAT, 2012)

Cherry-fin Loach

March 13th, 2012 — 1:24pm

Prior to description this species was considered to represent, and traded as, A. rubidipinnis, but that species is apparently endemic to the lower Irrawaddy basin in Myanmar and unknown in the aquarium hobby.

Male individuals of A. pictilis, A. botia and A. mandalaysensis possess a suborbital slit rather than suborbital flap which immediately distinguishes…

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Garra sp. 'redtail'

Burmese Red-tailed Garra

March 13th, 2012 — 1:24pm

A putatively undescribed species often imported and sold as G. sp. ‘burmanicus’. It first appeared in the trade during 2005 and has since been available on a sporadic basis, usually with a relatively high price tag. As well as its unique colour pattern, a primary diagnostic character is the presence of a proboscis-like rostral process between the eyes.

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Schistura cf. balteata

Sumo Loach II

March 13th, 2012 — 1:24pm

This apparently undescribed species has been available in the hobby since around 2006 and has been traded under several trade names of which others include ‘tri-band sumo loach’ and ‘chubby loach’.

The name ‘Sumo II’ is now in wide use to distinguish it from the real S. balteata since both have been traded as ‘Sumo loach’…

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Syncrossus berdmorei BLYTH, 1860

Redfin Tiger Loach

March 13th, 2012 — 1:20pm

Interestingly some observations suggest that the character of the highest-ranked, or alpha, fish appears to affect that of the whole group though it must be said that scientific studies of botiid loach behaviour are virtually non-existent. It certainly seems that they display a degree of ‘personality’ with some specimens being naturally bolder/more aggressive than others. The alpha is normally the largest specimen within the group and often female.

Sound also appears to be an important factor in communication since these loaches are able…

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