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.
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Almost every darter characin in hobbyist literature is called Characidium fasciatum. New species from Brazil are a reminder of how little that name settles.
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.
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.
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.
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.
Matt Ford argues the hobby should stop using peat — a valuable, non-renewable resource whose extraction is visible from orbit.
Many aquarium fishes are held at temperatures they would never meet in nature. Rüdiger Rautenberg on how following the rules on heating may be costing you money.