Hermit Crab Coenobita sp. Coenobitidae invertebrates terrestrial land-hermit-crabs decapod crustaceans Paguroidea mollusc shell seashell abdomen pincer legs scissor Caribbean Beach landscape water spectacular magic dream nature wild sea ocean blue sky sandy sun waves wave paradise mystic island surf South Pacific palm tree driftwood climbing close-up panorama Cahuita National Park Costa Rica September beach Asia