I have always had a thing for these flashy little oceanic beauties.
Nat. Geographic has a slick photo series of only a few of the some 3000+ species of Nudibranchs that cover all oceans of the world. No, no, it's not nudie beach, it's Nudibraaanck.
Anyway, I have long fantasized about doing a bunch of small porcelain pieces of these poisonous little wonders.
More on Nudibranch's here