Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

A search for a fish lost to extinction led to a brand-new species hiding in a South African river.

Scientists used AI to analyze 10,631 freshwater fish species and found that stable, connected rivers are critical for ...

A dozen fish pulled from a South African river sparked years of debate before being confirmed as a new species.

A fish species not recorded in the wild for more than 20 years was rediscovered in Bolivia, providing a boost for biodiversity. As published in the journal Nature Conservation, scientists discovered ...

A fish previously declared extinct has been released back into the wild in Australia. The olive perchlet, a small oval-shaped fish with large eyes, was considered extinct in Victoria, Australia, in ...

As the Atlantic warms, many fish along the east coast of North America have moved northward to keep within their preferred temperature range. Black sea bass, for instance, have shifted hundreds of ...

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...