Hundreds of million years ago, prehistory's biggest, baddest fish stalked the seven seas. Here's the question, though — what ...

This prehistoric fish is a true freshwater behemoth that's been known to surpass 19 feet in historical records, although modern specimens are usually 9 to 13 feet long and weigh over 882 pounds.

It's a fish story with a big, unexpected plot twist. A native Great Lakes whitefish thought extinct for nearly 40 years has been rediscovered by scientists – in the wrong Great Lake.. The ...

The Indonesian coelacanth, a fish once thought to be extinct for 70 million years, was discovered alive in greater numbers than anticipated. Divers recently found and photographed a living ...