1. Polycera quadrilineata. Length 20 mm. Reddish viscera. Patch of black on each rhinophore stem. Menai Strait, Wales. March 2010
  2. Polycera quadrilineata. Length 20 mm. Reddish viscera. Patch of black on each rhinophore stem. Menai Strait, Wales. March 2010

Polycera quadrilineata. Length 20 mm. Reddish viscera. Patch of black on each rhinophore stem. Menai Strait, Wales. March 2010