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 ...

"By combining aquarium and wild sand tiger shark wound healing observations ... so the male often grasps the female with his teeth, leaving bloody wounds on her body in the process.

Their skin is covered with denticles, tooth-like scales that differ from ... while probing the uterus of a pregnant sand tiger shark, was bitten by an unborn pup. The strongest shark bite: The ...

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 ...