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.
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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.