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Bagarius rutilus NG & KOTTELAT, 2000

February 15th, 2014 — 12:55pm

Known from the from the Red River in northern Vietnam and Yunnan province, southern China, plus the Thái Bình, Sông Kỳ Cùng, Mã and Lam rivers in Vietnam and possibly the Nam Xam and Nam Ma drainages in Laos.

Type locality is ‘Market in Hanoi, Vietnam’.

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Bagarius bagarius (HAMILTON, 1822)

February 15th, 2014 — 12:12pm

There is considerable confusion surrounding the identity of B. bagarius with its name having been widely applied to a relatively small species that is said to reach only 200 mm SL and considered to be common in northern India and much of Indochina.

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Bagarius suchus ROBERTS, 1983

Crocodile Catfish

February 15th, 2014 — 11:30am

The genus Bagarius is distinguished from all other genera in the putative subfamily Sisoridae by having markedly heterodont teeth in the lower jaw. Teeth are present in two or three outer rows of relatively numerous, close-set conical teeth, and one or two inner rows of less numerous, widely separated, and much larger conical teeth (vs. dentition of the lower jaw consisting of only small conical teeth, or a roughened bony plate).

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Bagarius yarrelli (SYKES, 1839)


February 8th, 2014 — 5:49pm

This species is clearly unsuitable for the home aquarium given its eventual size and natural behaviour, and we know of only a handful of private aquarists with the facilities required to house it long-term.

The grouping currently contains four species but is in urgent need of review with a number of additional taxa thought to exist and B. yarrelli possibly representing a synonym of B. bagarius.

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Asterophysus batrachus KNER, 1858

Gulper Catfish

February 8th, 2014 — 2:49pm

An obligate predator by nature, but captive specimens readily accept strips of white fish, whole shrimp, earthworms, and similar once they are recognised as food.

Adult individuals are unlikely to require feeding on a daily basis with 1-2 meals per week sufficient.

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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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Centromochlus macracanthus SOARES-PORTO, 2000

July 19th, 2013 — 4:37pm

All members of the family Auchenipteridae are thought to practise internal insemination and females can carry mature, unfertilised eggs and sperm packets inside the body for unspecified periods of time.

When conditions are satisfactory fertilisation is triggered and the eggs deposited, and there is n…

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Centromochlus reticulatus (MEES, 1974)

Reticulated Driftwood Catfish

June 27th, 2013 — 8:55pm

The genus Centromochlus is diagnosable by members having the proximal anal-fin radials enlarged and fused to each other at the base, forming a single ossified structure.

It’s sometimes included in the putative subfa…

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Neosilurus brevidorsalis (GÜNTHER, 1867)

Shortfin Tandan

June 19th, 2013 — 10:30pm

Type locality is ‘Nicol Bay, Cape York, Queensland, Australia’, and this species is restricted to the tips of northern Australia and southern Papua New Guinea.

In Australia records exist only from the Jardine and Jackson river systems on the Cape York Peninsula, while in Papua New Guinea it’s known from the Fly River plus some other drainages.

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Kryptopterus palembangensis (BLEEKER, 1852)

April 5th, 2013 — 9:05am

This species is almost unheard of in the aquarium trade though may occasionally be exported among shipments of wild fishes from Sumatra.

It’s closely-related to K. bichirris but is told apart by presence (vs. absence) of a prominent, dark lateral stripe on each flank.

Kryptopterus species are found only in Southeast Asia and the genus has been consi…

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