Nanuca perolataNanuca perolata is a species of sea slug, specifically an aeolid nudibranch. It is a marine gastropod mollusc in the family Myrrhinidae, and is endemic to Brazil.EtymologyThe specific name perolata comes from the Portuguese word pérola, in reference to both the pearly coloration of the body and the shape of the egg masses, which resemble a string of pearls.DistributionThis species is only known to occur at the Rocas Atoll, off northeastern Brazil.