Eerie, beautiful, captivating images of sea urchins mating and being born (that little triangle guy is a baby sea urchin).
These are a glimpse of how life begins in the deep ocean — and there’s a lot of life down there. The oceans provide about 190 times as much living space as every other space on Earth — soil, air and fresh water — put together. A vast array of amazing creatures live in the depths of this watery world. Squid, jellyfish, and plankton are just a few of our favorites (all shown as tiny babies in that last gif).