Researchers off the coast of New Zealand caught a rare sight on camera - an octopus hitching a ride on the back of an ultra-fast shark species.

SharkFest show Sharks of the Bermuda Triangle focuses on scientists trying to find a tiger shark breeding ground in the infamously mysterious area Kelli Bender is the Pets Editor at PEOPLE.

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 ...