Head and mouth detail of a male.

Beaufortia kweichowensis

Butterfly Loach Gastromyzon leveretti kweichowensis Fang, 1931b; Beaufortia kweichowensis gracilicauda Chen & Zheng, 1980 Etymology Beaufortia: named for Dr. Lieven F. de Beaufort. kweichowensis: named for Kweichow, China, type locality of this species. Kweichow is perhaps better known as Guizhou province.

aquarium sand gravel

Aquarium sand

First off, deciding if you want Aquarium sand as your tank’s substrate requires taking a several things into account. Aquarium Sand isn’t a the best choice for a planted tank if using rooted plants, it is undesireable too if you’ve an undergravel filter system. Another thing to keep in mind if the tank is made […]


5 Basic rules of fishkeeping

There are quite a lot of web sites these days offering all sorts of advice on fish husbandry, from how to set up an aquarium, to breeding many of the fish we find in our local fish stores.

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A guide to breeding tropical fishes

This section deals with the spawning tropical freshwater fish other than Asian catfishes. As someone who over many years has had some success in spawning many species of tropical fish, I always get a little nervous, when asked the question, “How do you breed a certain species”?

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Erethistidae, Bleeker 1862. Was resurrected by de-Pinna (1996) and consists primarily of six genera, Ayarnangra, Conta, Erethistes*, Erethstoides, Caelatoglanis and Pseudolaguvia, which had been regarded as Sisorids up till the revival of Erethistidae in 1996, due to the fact that these six Erethistids differed to all other Sisorids in having a prominent pectoral girdle with […]

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Bagridae catfish are found in both Asia and Africa; containing over 200 species ranging is size from 30mm SL to over 600mm SL and can be found in many diverse habitats, from alkaline lakes to small acidic ditches and from flowing hill streams to some of the largest river systems in the world.

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Akysidae a group of Asian catfish that Contains five genera; these are: – Acrochordonichthys, Akysis, Breitensteinia, Parakysis and Pseudobagarius.

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Tierra Negra – E-MEX 33-11

As our last stop during this excursion we were fishing in a nameless tributary to the Rio San Andres close to Tierra Negra. This river subbasin belong also lies within the upper Rio Coatzacoalcos.

Figure 1. Channa hoaluensis, holotype, RIA1 #: NB.10.05.001, 214 mm SL, lateral view, caught 2010-05-13, preserved, Red River basin, Yunnan Province, China.

Perciformes: Channidae

Channa hoaluensis Nguyen, 2011 Synonyms: Channa hoaluensis Nguyen, 2011 original description Vernacular names: Cá Trối Tien Vua Hoa Vietnamese

Figure 1. Cobitis sp. CC4, KIZ 2012000175, 74.4 mm SL, female, lateral view, caught 2012-04-08, freshly dead, Red River basin, Vietnam.

Cypriniformes: Cobitidae

Synonyms: yet undescribed species Vernacular names: — Etymology: Generic name originates from the Greek ‘kobitis, idos’ and means ‘a kind of sardine, a small fish’. Size / Weight: max SL known to date: 74.4 mm (KIZ 2012000175) Diagnosis: — Sex differentiation: — Distribution: Streams associated to the Nui Coc reservoir, Cau River subbasin, Red River […]