970-390 - Four-lined Nudibranch (Polycera quadrilineata), White and yellow nudibranch seen grazing on its hydroid food species, St Abbs, Scotland, UK North Sea
970-399 - Lined Nudibranch (Coryphella lineata), fawn coloured British nudibranch with many tentacles on back and bisible line down mid back, St Abbs, Scotland, UK North Sea
970-394 - Lined Nudibranch (Coryphella lineata), fawn coloured British nudibranch with many tentacles on back and bisible line down mid back, St Abbs, Scotland, UK North Sea