a set of seashell line art s, including starfish, scallop. hand drawn maritime seashell sketch. undersea

starfish sea star seashell scallop line art vector set background icon logo water beach isolated nature vintage hand white animal retro fish black graphic silhouette ocean seafood sketch drawing ink doodle underwater monochrome wildlife marine aquarium summer engraving coloring mollusk etching shell element outline clipart cockleshell contour draw linear