Meet the cuttlefish, one of the brainiest, most bizarre animals in the ocean.
Skin tone is the result of natural selection based on UV concentration on earth.
transparent fish barrelhead deep sea video For the first time, a live Pacific barreleye fish—complete with transparent head—has been caught on video. The deep-sea fish's tubular eyes pivot under a clear dome.
I had a chance to try spear fishing last summer in Samoa. I remember trying to "bounce" along between jagged pieces of coral as strong current pushed me along. Using my feet was the best way to keep some control. \n\nThis fish uses the same method except instead of using flip-flopped feet, it uses a curved, foot-like tail and thick skin to protect it from the coral.