Diodora cayenensis (Lamarck, 1822) Cayenne Keyhole Limpet

    Attached to bottle and photographed by Anne DuPont while SCUBA diving in 20 feet of water at Lake Worth Lagoon near Peanut Island, Palm Beach Inlet, Palm Beach Co., Florida 9/27/2009. Underwater photograph copyright 2009 by Anne DuPont.