1. Lateral view of juvenile Goniodoris castanea. Length 7mm. Erect rim on the reduced mantle. Ridges on oral tentacles. On rocky shore exposed to strong currents, ELWS, Menai Strait, Wales. March 2011.
2. Lateral view of juvenile Goniodoris castanea. Length 7mm. Erect rim on the reduced mantle. Ridges on oral tentacles. On rocky shore exposed to strong currents, ELWS, Menai Strait, Wales. March 2011.

Lateral view of juvenile Goniodoris castanea. Length 7mm. Erect rim on the reduced mantle. Ridges on oral tentacles. On rocky shore exposed to strong currents, ELWS, Menai Strait, Wales. March 2011.