Three new loaches of the genus Cobitis Linnaeus, 1758
Thomas Frank on three Cobitis loaches that reached the hobby under the wrong name, and the work of establishing what they actually were.
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Thomas Frank on three Cobitis loaches that reached the hobby under the wrong name, and the work of establishing what they actually were.
Mike Ophir on the loaches of the 'Modesta complex' — long treated as the community tank's cleaning crew, and still poorly served by what is known of their care.
Stefan van der Voort on five new Badis described from West Bengal, and on how much of that region is evidently still unexplored.
Mark G N Ferguson breaks down the process every new aquarium depends on — where the ammonia comes from, where the bacteria come from, and how to get them established.
Stefan van der Voort on a new Indo-Burmese badid and whether its name will stand — printed here in the original text, after a magazine altered it without asking.
A review of the herichthyin cichlids of Middle America has named eight new genera and moved a number of aquarium favourites between them. What changed, and why.
An extensive review has broken up the genus Puntius and moved a great many aquarium favourites into new genera. A guide to which name is now which.
Ichthyologist John P. Sullivan on Africhthy, the collaborative research portal he has built for the freshwater fishes of Africa.
Almost every darter characin in hobbyist literature is called Characidium fasciatum. New species from Brazil are a reminder of how little that name settles.
Matt Ford on a fish everybody knows and nobody can name: the aquarium tiger barb turns out to be of decidedly questionable identity.
The candiru has been credited with destroying manhood for over two hundred years. What the fish actually does, and how much of the legend survives the checking.
Freshwater habitats hold 0.3% of the world's water and almost half of its known fish species. The Freshwater Fish Specialist Group on what it intends to do about that.
Matt Ford argues the hobby should stop using peat — a valuable, non-renewable resource whose extraction is visible from orbit.
An appreciation of U Tin Win, who died in August 2014, and whose work shaped both the scientific exploration of Myanmar's freshwater fishes and its ornamental export trade.
The 'tiger' and 'bee' shrimps have long been treated as variants of a single species. New descriptions from Hong Kong and southern China settle what they actually are.
Barely kept and difficult to maintain, the pupfishes of the genus Cyprinodon are of outsized interest to evolutionary biologists. Their isolated desert waters are the reason.
The first of a series supporting BIAZA's Big Fish Campaign, on why aquarium fishes are treated as disposable and why, in some cases, size really does matter.
Freshwater conservation is set to become one of the most pressing environmental problems of the coming decades. A look at one partnership working on it in the American desert.
Rüdiger Rautenberg on the Hamburger Mattenfilter — cheap, widely loved by German breeders, and barely known outside mainland Europe.