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What are darter tetras? Darter tetras, or South American darters, are members of a family of characin fish called crenuchids and sit in a subfamily called the Characidiinae (characidiins) that ...

It’s less than half of an inch long and belongs to a family of characins. But, from the surface, the fish is impossible to ...

Q: What is the cause of high mortality in recently imported Hatchetfish characins (Carnegiella strigata) and pygmy Corydoras pygmaeus at the wholesale level? Do you have any information on this?

Smithsonian's National Zoo & Conservation Biology Institute California Sea Lion Smithsonian's National Zoo & Conservation Biology Institute Alpaca Smithsonian's National Zoo & Conservation Biology ...

leads study that finds removal of characins, fish species, from Marias River in Patagonia would change entire ecosystem of river; research is published in journal Science; United States Fish and ...