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Bagrichthys macracanthus (BLEEKER, 1854)

Black Lancer

March 13th, 2012 — 1:21pm

The vernacular name ‘lancer’ is derived from the extended dorsal spine possessed by several members of the genus, which currently contains 7 species. Among them B. macracanthus is most similar to B. majusculus and B. vaillantii but can be told apart from the former by possession of shorter pectoral spines (13.3 – 16.2% SL vs. 15.8 – 20.7%), shorter adipose fin (46.0 – 58.0% SL vs. 38.8 – 45.8%), less deep caudal peduncle (7.1 – 7.5% SL vs. 5.6-7.0%) and larger adult size. From B. vaillantii it di…

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Bagrichthys majusculus NG, 2002

White-Whisker Lancer

March 13th, 2012 — 1:21pm

The vernacular name ‘lancer’ is derived from the extended dorsal spine possessed by several members of the genus, which currently contains 7 species. Among them B. majusculus is most similar to B. macracanthus and B. vaillantii but can be told apart from both by possession of longer pectoral-fin spines (length 15.8 – 20.7 % SL vs. 11.5 – 16.2 %), from the former by possession of a larger adipose fi…

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Hemibagrus spilopterus NG & RAINBOTH, 1999

March 13th, 2012 — 1:21pm

This species is relatively common in the aquarium trade but has been widely misidentified as the congener H. nemurus which is native to Java and may never have been exported for ornamental purposes.

Hemibagrus has been divided into a number of putative species groups which may or may not rep…

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Hemibagrus punctatus (JERDON, 1849)

Porthole Bagrid

March 13th, 2012 — 1:21pm

Confirmed localities include the Kabini, Bhadra and Moyar tributary systems where it was last collected in 1998, the 1980s and 1990-92, respectively.

The IUCN currently list it as Critically Endangered (possibly extinct).

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Hemibagrus wyckioides (FANG & CHAUX, 1949)

Asian Red Tailed Catfish

March 13th, 2012 — 1:21pm

Juvenile specimens are sometimes available in the aquarium trade although their purchase is strongly discouraged, and this species probably shouldn’t ‚ be considered a home aquarium‚ subject at all given its eventual size plus the fact it can live for‚ several decades.

H. wyckioides can be told apart from mos…

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Brachyplatystoma filamentosum (LICHTENSTEIN, 1819)

Piraíba

March 13th, 2012 — 1:21pm

In the Amazon region it is only specimens larger than around 160 cm and werighing in excess of 50 kg that are referred to as ‘Piraíba’ with the name ‘filhote’ normally applied to smaller individuals. Other vernacular names include ‘Salton catfish’, ‘Kumakuma’; and ‘tiger antenna catfish’; with members of the genus often referred to collectively as ‘goliath catfishes’.

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Agamyxis pectinifrons (COPE, 1870)

Spotted Talking Catfish, Kammdornwels (DE)

March 13th, 2012 — 1:21pm

This species, which may also be referred to by the alternative vernacular names 'spotted raphael', 'white-spotted' or 'white-barred' catfish, is very common in the trade and despite its adult size is recommended to beginners and experienced aquarists alike since it is hardy, attractive and relatively-long-lived. The light body markings are highly variable in terms of exact placement and may be either white or pale to darkish yellow in colour.

It is very similar i…

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Amblydoras nauticus (COPE, 1874)

Marbled Talking Catfish, Marmorierterdornwels (DE)

March 13th, 2012 — 1:21pm

This species was previously thought to be, and is often still sold as, A. hancockii, a name currently considered synonymous with Platydoras hancockii (Valenciennes 1840). It’s also known by the vernacular names of blue-eyed catfish or Hancock’s doradid, and in many ways is an ideal beginners’ catfish, being hardy and tolerant of a wide range of water conditions…

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Acanthodoras cataphractus (LINNAEUS, 1758)

Chocolate Talking Catfish, Schokoladendornwels (DE)

March 13th, 2012 — 1:21pm

This species, which may also be referred to by the alternative vernacular names 'spiny catfish', 'painted talking catfish' or 'chocolate raphael', isn't particularly common in the trade and most often exported only as bycatch among shipments of Platydoras armatulus. It appears very similar to the congener A. spinosissimus with the most useful external distinguishing character being the presence of pale blotches on the dorsal surface, between the dorsal and caud…

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Corydoras zygatus EIGENMANN & ALLEN, 1942

Black Band Cory

March 13th, 2012 — 1:20pm

Known from the Ucayali (río Samiria), Huallaga, Santiago, and Pastaza (ríos Bobonaza and Pindo) river systems in eastern Ecuador and northern Peru. These are all tributary drainages within the middle Río Marañón watershed, a major affluent of the upper Amazon river basin.

Type locality is ‘Río Hallagua system, Yurimaguas…

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