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