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 ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, ...

Some animals once believed extinct have stunned scientists by reappearing decades, centuries, or even millions of years after vanishing from the fossil record or disappearing from human observation.

A research team traveled to South Africa’s Umzimkhulu River in 2017 with a specific mission: find surviving pockets of the Maluti redfin minnow, a species declared extinct after introduced trout wiped ...

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 ...

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis. Zoosystematics and Evolution Zoosystematics and Evolution A team of scientists went ...