Berghia marcusi is a species of sea slug, an aeolid nudibranch. It is a shell-less marine gastropod mollusc in the family Aeolidiidae. Distribution This species is present in western Atlantic Ocean, from Florida to Jamaica and south to Brazil (Rio de Janeiro, São Paulo). Description Berghia marcusi has a maximum reported size of 16.6 mm. It is a translucent white animal with a pattern of orange patches on the head and orange lines at the bases of the cerata. References External links Berghia marcusi in Conquiliologistas do Brasil (in English) Aeolidiidae Gastropods described in 2008