Watercolor painting of a school of sharks, marine life, oceanic, blue and white, underwater scene, aquatic, marine, ocean, shark, fish, sea, water, artistic, illustration, art, digital art, graphic design, seamless pattern, repetitive, tessellation, monochromatic, monochrome, grayscale, gray tones, grayscale shades, gray tones, grayscale palette, grayscale color scheme, grayscale color palette, grayscale color scheme, shark illustration, shark art, shark painting, shark watercolor, shark waterco