seashells, snails, starfish, rapanas. outline hand drawing. object on white background. inhabitants of the ocean

animal aquarium aquatic background beach clam cockleshell collection coral decoration design drawing element exotic floor graphic hand inhabitants isolated marine mollusk natural nature object ocean outline oyster pearl rapanas scallop sea seafood seashell seashells shell shellfish sketch snail snails souvenir spiral star starfish summer travel tropical underwater vector white wildlife