Head and notum are translucent white suffused orange with opaque flecks.
Translucent white cerata have orange-brown internal digestive gland and large white cnidosacs at the tip. Distance between oral tentacles about same as thickness of single tentacle base.Dorsal surface of foot has white pigment flecks around the periphery, but hidden by overhanging cerata apart from its protruding posterior .
Length 23 mm. Menai Strait, Wales, February 2011.