empty shell of marine bivalve mollusk cerastoderma lamarcki on a coquina stone, blue summer sky, vacation concept

background beach bivalve black blue bright cerastoderma close coast colorful concept coquina deep empty fauna free idyllic lamarcki life light limestone macro marine mollusc mollusk morning mussel natural nature outdoor paradise pattern people relaxation rock sea seashell seaside shell shore sky space species still stone summer sunlight sunny surface tourism tourist trip vacation wildlife yellow