Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, with an ease that has stunned marine biologists.

From what I understand, they're eating, you know, shrimp or plankton," he said. Curious, the sharks took 10 spins around the boat before swimming off. “We moved with them from time to time.

A boat captain hauling in nets off Rhode ... However, they are not known to attack humans, experts say. Did a sand eel eat its way out of a shark? Odd catch made off New Jersey, anglers say ...

The mako shark landed on a Churchys Charters NZ fishing boat in the waters near Whitianga, New Zealand Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013.