A deep-sea discovery turns frightening as a submarine crew finds aggressive sixgill sharks feasting on a whale carcass and ...

The footage, shared by marine research organization OceanX, captures a rare encounter with a bluntnose sixgill shark — a ...

Sixgill sharks live in oceans around the world and are usually seen at depths deeper than 300 feet. However, they have even been spotted as far as 6,000 feet below the surface.