Olympic swimmers have been known to eat 10,000 calories a day, but they have nothing on a tiger shark, which can consume more than that in a single bite. That didn't stop ultra-athlete Ross Edgley ...

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 ...

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 ...