Foot is three times as wide as white body (1); overhanging pink cerata visible through it (2); anterior is sigmoid with tips of propodial tentacles turned forwards (3); tapers rapidly to a short fine posterior point (4); peripheral opaque white flecks on dorsal surface visible through it from below (5). White spheroid ovotestes (6).
Length 20 mm. Menai Strait, Wales, February 2011.