watercolor drawing of a seamless pattern on a marine theme, cancer, lobster, river crayfish, with blue stripes, waves, sea, stripe

abstract and background backgrounds black blue cancer corrugated crayfish crustacean decoration design detail drawing for gray horizontal illustration industrial iron life line lines lobster marine material metal metallic ocean old outline pattern river sea seamless shutter sign small steel striped stripes summer surface texture textured theme underwater vacation wall watercolor waves white zodiac