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

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

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

SAN JOSE, Calif. (KGO) -- Concerning findings about the world's freshwater fish population, 25% are in danger of extinction according to the International Union for Conservation of Nature. It's a ...

Whether it's redfin pickerel in the Kennebec River or sturgeon in the Great Lakes, nearly one-third of freshwater fish species are facing possible extinction, threatening food supplies, ecosystems and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Chinook salmon migrate up the Columbia River in Oregon Chinook salmon migrate up the Columbia River in Oregon. (Dave Alan/Getty ...

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 ...