Add Yahoo as a preferred source to see more of our stories on Google. It's a fish story with a big, unexpected plot twist. A native Great Lakes whitefish thought extinct for nearly 40 years has been ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction. Moema claudiae, a seasonal killifish unseen for more than 20 ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

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 ...