The ocean is full of some incredibly odd creatures. It feels like the further you go down, the stranger and more alien-like ...

Growing to at least 6 feet long, these predators primarily prey on squid and fish. Hagfish consume the decaying carcasses of other sea creatures by burrowing into them with tooth-like structures.

Hyun-ju (Park Sung-hoon) in Season 3 of “Squid Game.” “I wrote and directed and everything, I knew it’s coming, but it was still painful,” Hwang Dong-hyuk said.