These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

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 ...

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 ...