The Tancho Sanke koi resembles a masterful stroke of a black ink paintbrush across its body, with a distinct, vivid red spot perfectly centered on its white head, echoing the Japanese flag. This variety blends sharp contrasts and serenity, featuring patches of black that enhance its striking white and red markings. Revered for its symbolism of prosperity and luck, the Tancho Sanke is a prized jewel in any pond, captivating onlookers with its dynamic and artistic appearance.