Marty Melville / AFP via Getty Images More 8.Deep-sea dragon fish and vampire squids are also real and terrifying creatures that can be found in the ocean.

Some of the world's cutest creatures have a dark side—and these scary animal facts about them might keep you up at night!

There's a whole lot to be afraid of in the depths of the sea where the sunlight barely reaches. It's an unforgiving terrain and houses creatures that are just as intense, including fish resembling ...

For every seemingly scary tidbit, there are just as many interesting ocean facts that will amaze you and make you appreciate the sea that much more.