eduardo-:the-blue-revolution:This gorgeous bright organism, Hypselodoris apolegma, is a&nbs
eduardo-: the-blue-revolution: This gorgeous bright organism, Hypselodoris apolegma, is a species of colorful sea slug or dorid nudibranch. They are marine gastropod mollusks in the family Chromodorididae. Now known as Risbecia apolegma (as many of the former Hypselodoris are now in the Risbecia genus). -- source link