16. The Sawshark: It's got a saw for a nose! These 1.7 m (5.6 ft) sharks swim in schools and use their scary snouts to dig for prey in the sand. 15. The Frilled Shark: The frilled shark lives deep ...

Deep-sea creatures’ surface appearances provide unique study opportunities and highlight ecosystem preservation’s importance.

Goblin shark (Mitsukurina owstoni ... Its tiny size and remote habitat make it an extremely rare sight for researchers. Frilled shark (Chlamydoselachus anguineus)Often described as a "living ...