Beneath the serene waves of lakes, river, and seas, lurk some fish with terrifyingly sharp teeth. Here are a few different ...

The mighty megalodon is the most famous extinct shark on earth – with giant jaws and a tremendous size that inspire myths and science fiction. Because this monstrous shark was a fish made mainly of ...

This menacing predator uses its long, sharp teeth as a cage to keep small fish and shrimp trapped once they’re inside its mouth. The video above, filmed by the Monterey Bay Aquarium Research ...

(CN) – A deep-sea fish uses a glowing tendril below its mouth and a row of transparent buzz saw teeth to improve its hunting skills, ocean researchers revealed Wednesday. The dragonfish could have ...

The origin of our teeth has been traced back to over 400 million years ago when a mysterious species of fish first developed their prey-catching jaws, and in a study released Thursday, scientists ...

Teeth grew from the scales of primitive shark-like fish millions of years ago, research by scientists suggests. Old lineage cartilaginous fish like sharks, skates and rays that have skin which ...