rare underwater image of green palmate worm in to the mediterranean sea - nereiphylla paretti

adriatic aegean alive amazing appendages atlantic background barcelona biology body bristle closeup color colorful croatia cyprus danger dive diving exotic fauna greece green image img invertebrate invertebrates inverts ionian italy life live living macro malta marin marine mediterranean natural nature nereiphylla notophyllinae ocean oceanographic oceanography palmate paretti photo photograph photography phyllodocida phyllodocidae rare rarest saltwater sardinia sea sealife seawater shallow skiathos spain species tropic tropical under undersea underwater underworld water worm yellowish