Sea cockroach necklace

Known in Costa Rica as a sea cockroach , it is another nature gift you can find walking by the Costa Rica's sunny beaches. This beautiful specimen is a crustacean, who attached itself to the ocean rocks. The locals fishermen eat the animal , a kind of clam, who live inside this shield. The edge of this shield is cover by a dark green reptile skin. This is a very interesting animal ...you must to see it !