What animals do you think exhibit the most kaleidoscopic variety of colors and patterns, in the wildest diversity of forms in the animal kingdom? Tropical birds? Rainforest frogs?
Well, move over, toucans; and hop aside, poison-dart frogs. Because the prize for the most flamboyant group of animals out there has to go to the 3,000 species that make up the sub-class called nudibranchs.