Portuguese man o' war
Amongst the thousand or so species of invertebrates found in the Rhodes Mediterranean/Aegean coastal zone marine environment are mantis shrimps, Mediterranean slipper lobsters, octopus, cuttlefish, scribbled nudibranch, "Hypselodoris picta", tasselled nudibranch, precious coral, zigzag coral, purple sail, Mediterranean jellyfish, spiny spider crab, circular crab, broad-clawed porcelain crab, noble pen shell, pilgrim’s scallop, ragged sea hare, violet sea hare, Portuguese man o' war, black sea urchin, purple sea-urchin, long-spine slate pen sea urchin, Mediterranean starfish, sea mouse, "Barbatia barbata" and "Parazoanthus axinellae".