The bowmouth guitarfish (Rhina ancylostoma), also called the shark ray or mud skate, is a species of ray and the sole member of the family Rhinidae. A rare fish, it is vulnerable to extinction for numerous reasons: fins for soup, bycatch, food, blast fishing, coral bleaching, siltation, and more.
A diver swims alongside a Greenland shark, a rarely-seen species that looks like it has been etched from stone. They can survive for more than 200 years at depths of up to 600 metres under Arctic ice. They grow to 23-feet long and are so fearsome they have even been known to eat polar bears