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.
Results for “sexual dimorphism”
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Badis singenensis, the most unique badid gets a name – or does it?
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.
Channa orientalis Bloch & Schneider 1801
Colin Dunlop on the dwarf among snakeheads. At around 10 cm, Channa orientalis asks far less of a tank than the metre-long relatives that give the genus its reputation.
European killifishes part 1: the genus Aphanius in Spain
Matt Ford introduces the Aphanius killifishes of Spain: Eurasian, attractive, seldom discussed, and a long way from the African and American species that define the group.
New darter characins from Brazil
Almost every darter characin in hobbyist literature is called Characidium fasciatum. New species from Brazil are a reminder of how little that name settles.