Only 100 of the hybrids remain in captivity A group of Hungarian scientists say they unintentionally created a hybrid of two endangered species – Russian sturgeons and American paddlefish – that last shared a common ancestor 184 million years ago.
Only 100 of the hybrids remain in captivity A group of Hungarian scientists say they unintentionally created a hybrid of two endangered species – Russian sturgeons and American paddlefish – that last shared a common ancestor 184 million years ago.