Nature — Episode 2: The Secret World of Sharks and Rays

You are watching the episode The Secret World of Sharks and Rays NATURE lifts part of the veil of mystery shrouding some fascinating — and often fearsome — creatures in The Secret World of Sharks and Rays.

Sharks and their biological cousins, the rays, are among the highest-profile denizens of the deep, thanks to the popularity of books and films that have cast them in leading roles — as antagonist, not protagonist.