This is the Blue Dragon nudibranch (Pteraeolidia ianthina). It spends its life floating on the surface of the ocean. They feed on the poisonous Man of War Jellyfish, collecting the animal’s toxins and storing them in little sacs on the end of their feather-like “fingers.” The Blue Dragon can produce a much more powerful and deadly sting than the Man of War due to its ability to store the poison.

Pretty cool!  Read more @ New Week Nudibranch! - Blue Dragon

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