Unexpected Shark Gives Explorer Shock of His Life

A National Geographic researcher is startled to see a Greenland shark where none has ever been seen before: off Russia’s Franz Josef Land. An underwater camera captured images of the shark, a species scientists know very little about. Read more about the deep-sea shark sighting: Learn more about the Pristine Seas initiative at . PRODUCER AND EDITOR: Neil Gelinas MUSIC: Ian Milliken CAMERA: Michael Pagenkopf, Manu San Felix, and Neil Gelinas