vintage nautilus shrimp on deep blue ocean pattern. hand-drawn nautilus shrimp in beige on a deep blue background with

shrimp nautilus shell ocean sea marine nautical coastal blue beige underwater wildlife vintage aquatic pattern nature minimal seascape repeat trendy illustration backgrounds horizontal seashell canada oldfashioned ornate reef seafood textured fish art sketch striped brushing relaxation intricacy undersea woodcut starfish octopus simplicity vertical