What's Hiding in the Deep Sea?

If only the deep sea waters were as colorful as a Kurzgesagt video! Sunlight can't penetrate to the deepest depths of the ocean, but there are creatures living there. They are as different from life here at the surface that it may as well be an alien planet. And the deeper you go, the weirder it gets. This deep sea tour is ten minutes long; the rest is an ad.