seamless pattern sea shell, coral, crab and shrimp. engraving vintage s. on white background

air aquatic background black bubbles cockle cockleshell collection color conch coral crab crawl drawing drawn engraved engraving etched etching graphic illustrated illustration invertebrate lobster marine mollusks nature nautilus ocean pattern plate print sea sealife seamless seashell seashore shell shrimp simple snail spiral summer symbol vector vintage white