Close up of a fiddler crab with huge claw walking gently on the beach, New Caledonia

male fiddler crab fiddler crab beach sand large red major claw claw major wildlife animal nature crustacean sea mangrove water environment asia asian marine wild sandy natural shore aquatic close closeup ocean bigger pacific island new caledonia shell reclusive shy seaside habitat tropics creature ecology coast defense pincer protection copy space tropical huge