Fear the 10 scariest sea creatures that will leave you breathless.

These strange and weird creatures often live close to the ocean floor or in the creepiest unexplored ocean places. Discover some of the scary sea creatures you probably never knew existed.

The ocean holds many bizarre deep-sea monsters. As you dive 140 meters underwater, you might see a megamouth shark. Sure, they look scary, but those 50 rows of teeth are for filtering krill.