an armoured fish that ruled marine world for 200 million years This constant need for food could have been the predator’s downfall. The megalodon went extinct at around the same time as the ...

Everything except humanity. Today they are the most endangered group of fish in the world. Since 1970, global sturgeon populations have dropped a catastrophic 94 percent. The International Union ...

Placoderms are a class of prehistoric armoured fish that first appeared during ... they met their demise during the devastating mass extinction at the end of the Devonian period.

The coelacanth, a fish thought to have vanished 65 million years ago. Imagine the surprise when, in 1938, this so-called “extinct” fish was discovered alive and well off the coast of South Africa.

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 ...