Sea Urchins Pull Themselves Inside Out to be Reborn | Deep Look

All alone, in a vast emptiness. A baby sea urchin. A pluteus. Blind and deaf, its sole purpose is to find the right place to land. Here’s what it will become, an adult sea urchin. Basically a rugged ball of spines, built to survive in some of the harshest environments in the ocean. Like their […]