set sea shells stars corals and pearls different s. clamshells starfishes polyps monochrome outline sketch

animal beam bivalve bowl branch cartoon cay collection coral corral fish flat graphic icon illustration island life logo marine mollusc mollusk monochrome nacre nature ocean outline oyster pearl pearlescent pentagonal polyp reef saltwater scallop sea seabed seashell seaside set shell silhouette star starfish submarine subsea tattoo underwater vector vintage