Asteronotus hepaticusAsteronotus hepaticus is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.DistributionThis species was originally described from the Pacific Ocean. It is known from Vanuatu, Indonesia, the Solomon Islands and Papua New Guinea.DescriptionAsteronotus hepaticus is a large dorid nudibranch with a distinctive deep purple colouration.