1. Goniodoris castanea. Length 10mm. Underside of oral veil and mouth. Sole translucent white with white pigment marks, revealing coral-pink viscera centrally. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011.
2. Goniodoris castanea. Length 10mm. Underside of oral veil and mouth. Sole translucent white with white pigment marks, revealing coral-pink viscera centrally. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011.

Goniodoris castanea. Length 10mm. Underside of oral veil and mouth. Sole translucent white with white pigment marks, revealing coral-pink viscera centrally. On rocky shore exposed to strong currents, LWS, Menai Strait, Wales. April 2011.