Untold Earth S02E06 - Cuttlefish Are the Ocean's Freakiest Little Weirdos

Every winter, off the coast of South Australia, thousands of giant cuttlefish gather for the showdown of a lifetime. In an effort to win a mate, these shape-shifting sea creatures display some of the most bizarre and brilliant tactics in the animal kingdom. The unique habitat attracts thousands of cuttlefish each year, making it the largest aggregation of the species in the world.