In an exclusive clip from Ninja Sharks, a special premiering Wednesday night during Discovery’s annual Shark Week TV event, experts profile the thresher shark as a predator that’s developed ...

A 538-pound thresher shark was caught off the coast of New Jersey. There are some large thresher sharks out there cutting through the water, wagging their sickle-shaped tail. Hoffman's Marina in ...

When they turned to look they saw the long tail of a thresher shark thrashing in water just two-and-a-half feet deep, said Crowley, 21, of Amityville.