1. Polycera quadrilineata. Yellow pigment on raised mantle rim and flanks. Grey dorsal line on anterior. Some black on gills and rhinophore stems. Yellow propodial tentacle at bottom right of image. Menai Strait. August 2010
  2. Polycera quadrilineata. Yellow pigment on raised mantle rim and flanks. Grey dorsal line on anterior. Some black on gills and rhinophore stems. Yellow propodial tentacle at bottom right of image. Menai Strait. August 2010

Polycera quadrilineata. Yellow pigment on raised mantle rim and flanks. Grey dorsal line on anterior. Some black on gills and rhinophore stems. Yellow propodial tentacle at bottom right of image. Menai Strait. August 2010