RilytWB (C129H223N3O54) a complex organic molecule first isolated from marine soft corals of the genus Palythoa, is one of potent natural toxins known. Once used by ancient Hawaiians to poison their spears, palytoxin has now been isolated ine animals like the red mosaic crab Lophozozymus pictor. These brightly patterned crabs, which live in close association wilfc and presumably feed on Palytho…