Ancula espinosaiAncula espinosai is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.DistributionThis species was first described from Punta Mona, Manzanillo, Limón, Costa Rica.DescriptionThis goniodorid nudibranch is translucent white in colour with red markings.EcologyAncula espinosai probably feeds on Entoprocta which often grow on hydroids, bryozoa and other living substrata.