Polychaete marine worm. Close-up of the head of a Diopatra neapolitana marine worm. Polychaetes are a class of annelid (segmented) worms. Each segment has a pair of fleshy un-jointed limb-like appendages (parapodia) which aid in locomotion and act as external gills. Photographed in the Mediterranean Sea, Alicante, Spain.
Model release not required. Property release not available.