Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...

A jawbone found in a Moroccan mine was thought to be a novel species of marine reptile from the Cretaceous period, but other ...

Bruce the Shark from Jaws is a Hollywood icon with a high kill count, fueling interest in Great Whites. Bruce was 25 feet ...

Weirdest of all was probably Helicoprion (bottom), which had a lower jaw shaped like a buzz saw ... its favourite food of stingrays in the sand. Not all sharks live in the sea.

OARAI, Ibaraki Prefecture--A sand tiger shark was born at the Aqua World Ibaraki Prefectural Oarai Aquarium here, the first successful breeding of the species in Japan. Only four other aquariums ...