Ryan and her fellow researchers showed that seal-shaped boards decked with bright horizontal lights were ... was needed to see if bull and tiger sharks -- which have different predatory behaviour ...

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 ...

Often referred to as “dustbins of the ocean” Tiger sharks are known for eating some strange things and are often thought of as mindless eating machines. But in actual fact, these sharks are ...