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Corydoras flaveolus IHERING, 1911

May 10th, 2014 — 5:59pm

This species is exceptionally rare in the aquarium hobby.

Among congeners it is most similar to C. lacrimostigmata but can be distinguished by…

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Corydoras eques STEINDACHNER, 1876

May 10th, 2014 — 3:49pm

Although described as a member of Corydoras this species was later moved into the genus Osteogaster by Cope (1894), but this was later synonymised with Corydoras by Gosline (1940).

It is sometimes confused with C. venezuelanus, while two similar-looking, unidentified fishes from Peru have been assigned the codes CW007 and CW043, respectively.

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Corydoras cochui MYERS & WEITZMAN, 1954

Barredtail Cory, C022

February 23rd, 2014 — 6:55pm

This small species can be told apart from the similar-looking congener C. habrosus by possession of 4-5 (vs. 2-3) dark markings along the side of the body.

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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)

Goonch

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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Aspidoras taurus LIMA & BRITTO, 2001

February 8th, 2014 — 1:27pm

A. taurus can be told apart from congeners by the following combination of characters: infraorbitals and preopercle covered by thick skin and not visible externally (vs. covered by thin skin and externally visible in other Aspidoras); nuchal plate reduced, covered by thick skin and not visible externally (vs. well developed, covered by thin skin and visible externally); lateral line absent posterior to two small lateral line ossicles (vs. lateral line present on at least first body plate).

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Aspidoras spilotus NIJSSEN & ISBRÜCKER, 1976

C125

February 8th, 2014 — 1:00pm

Aspidoras spp. are foraging omnivores and will accept most sinking dried foods, as well as small live and frozen varieties such as chironomid larvae (bloodworm), Tubifex, etc.

Feeding a varied diet will ensure the fish are in optimum condition.

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