Jonathan Gordon said he had no idea this octopus was there when he scanned his camera along the ocean floor while diving in the Caribbean. He was actually focusing on a shell when the octopus emerged. How does an octopus hide so well? Yes, they change color to match their surroundings, but since octopuses are colorblind, how does that happen?
Mental_floss talked to Ernie Sawyer of the Shedd Aquarium in Chicago for an overview of what we know about the octopus and its amazing camouflage skills.