There are tons of crazy things lurking in the deep. Whether you're encountering dangerous predators or swimming among coral formations, there's never a dull moment when you're prowling around on the ocean floor. But some things are more insane than others. Some things aren't even native to the ocean blue.Many discoveries in the depths have nothing to do with animals. Sure, sea life is always fascinating, but through the years, divers have uncovered some of the most shocking underwater inhabitants of all.