red pistol snapping shrimp - alpheus macrocheles

red pistol snapping shrimp alpheus macrocheles adriatic aegean alpheidae atlantic biology bottom claw closeup colorful corkscrew creature creatures critters crustacean european eyes invertebrate invertebrates inverts life macro marin marine marinelife mediterranean nature oceanic oceanographic oceanography prawn reef saltwater scene scuba sea shrimps water underwater world orange species family