Iridescent Mantle of Giant Clam, Tridacna Squamosa, Micronesia, Palau

macro closeup close up close up detail reef reefs coralreef coralreefs coral reef mollusks mollusca bivalves bivalvia shell shells clam clams scallop scallops background color colour line lines pattern skin grain texture structure abstract mantle giant clam underwater marine wildlife marine fauna nature aquatic sea ocean underwaterphoto underwaterpicture underwaterphotography underwaterworld sealife carolines islands carolines pacific oceania oceanica iridescent mantle of giant clam tridacna squamosa micronesia palau horizontal format