Pupfish form evolutionary 'mountain ranges'
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.
Results for “morphology”
The article archive, searched in full.
New shrimp from Hong Kong and southern China
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.
Botiid fishes of the 'Modesta complex' – an analysis of natural history and behaviorisms
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.
Major Changes in New World Cichlid Taxonomy
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.
South Asian barbs - a guide to nomenclature
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.
A Passion for Cichlids
The first of an interview series. Ichthyologist and aquarist Michael K. Oliver on the systematics of Malawi's cichlids, and on diving the lake to collect them.
Stunted growth means stunted lives
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.