Watch an octopus disguise itself as a rock

By Popkin

Henner Damke/Shutterstock.com

This incredible octopus looks truly alien as it rapidly camouflages and un-camouflages itself while swimming against a rock. Octopuses are masters of disguise. Their skin contains thousands of chromatophores (pigment-containing cells) that allow them to change colors in an instant.

They can also alter the texture of their ski…