marine , line art, drawn white contour fish on a blue background. textile, postcard, wallpaper

illustration pattern design cartoon drawing sketch leaf font art flower circle line wing poster branch plant text organ marine drawn white contour fish blue background textile postcard wallpaper fish art ocean vector marine illustration sketch isolated contour animal graphic drawing outline underwater nature art design wildlife wild doodle element white aquatic background hand silhouette line logo minimalism hand drawn life symbol aquarium one cartoon reef black single swim lines icon cute lines fin concept continuous abstract beautiful