The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature ...

Using the latest in 3D imaging technology, Western University researchers and their collaborators analyzed fossilized fish bones found in Alaska to reveal a previously undiscovered polar ecosystem.

A previously unknown shark once swam around the shores of the U.K. more than 70 million years ago. The new species, named ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

Lake sturgeon have long been culturally significant and nutritionally important to First Nations in Ontario, but dams and ...

An oddly shaped deep-sea fish recently washed up on an Oregon beach, catching the attention of a local aquarium. The Seaside Aquarium identified the fish as a longnose lancetfish.

Imagine plunging into the ancient seas, only to come face to face with a creature so bizarre, it almost defies belief.

The Dunkleosteus is one of the most formidable fish to have ever swam in the seas, but its disappearance is something of a mystery.

When told about a strange, fanged fish that had washed ashore on an Oregon beach, the Seaside Aquarium folks knew what kind ...

A giant mosasaur fossil vertebra discovered in Mississippi may belong to one of the largest sea predators ever found.

One huge shark, looking very much like a prehistoric creature, starts eyeing the submarine ... feeders and will eat fresh ...

WEST ALTON, Mo. — A fish that once thrived for 150 million years was driven to the "brink of extinction." It's undergoing a slow, but sure, comeback. "Lake sturgeon were declared endangered in ...