Black Brittle Starfish (Ophiocomino nigra), single individual on pale coloured sand background, St Abbs, Scotland, UK North Sea

underwater black brittle starfish ophiocomino nigra black brittle starfish brittle star fish brittle starfishes brittle star fishes echinoderms starfishes sea star sea stars arms five one animal close up close ups close up close ups seabed sea bottom st abbs scotland uk north sea sealife sea life