Idaliadoris tridactila

Idaliadoris tridactila is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.

Distribution

This species was described from Verdicio, Asturias, on the Atlantic Ocean coast of Spain,. Additional specimens were found nearby at El Puntal,.

Description

Idaliadoris tridactila is similar in appearance to Knoutsodonta depressa but is distinguished by having a rhinophore sheath with three elongate tubercles, similar to the ones which cover the dorsal surface of the mantle.

Diet

This species was found on the bryozoan Schizomavella linearis which is a food also reported for Knoutsodonta depressa.