1. Polycera quadrilineata. Yellow marks on reduced mantle rim and flanks. Triangular process at rim's anterior. 7 white, simply pinnate gills, yellow distally, around dorsal anus. Anterior veil with 6 elongate yellow processes. Menai Strait, Wales. Feb.2011
  2. Polycera quadrilineata. Yellow marks on reduced mantle rim and flanks. Triangular process at rim's anterior. 7 white, simply pinnate gills, yellow distally, around dorsal anus. Anterior veil with 6 elongate yellow processes. Menai Strait, Wales. Feb.2011

Polycera quadrilineata. Yellow marks on reduced mantle rim and flanks. Triangular process at rim's anterior. 7 white, simply pinnate gills, yellow distally, around dorsal anus. Anterior veil with 6 elongate yellow processes. Menai Strait, Wales. Feb.2011