The Strangest Creatures of the Ocean | BBC Earth

Transcript

A kilometre from the surface, beyond the reach of the sun. A giant black void, larger than all the rest of the world's habitats combined. There's life here… ..but not as we know it. Alien-like creatures produce dazzling displays of light. Nearly all animals need to attract mates and repel predators. This language of light is so widespread here, tha... Read More