This species is a golden koi fish, commonly known as "Wang Caijin Carp". When the color of fish is golden yellow, it means that the five elements belong to gold, and gold can produce water, so it has strong ability to urge money, while this species koi fish belongs to zhengjin, so it has the strongest ability to urge money. Raising this kind of koi fish can improve the positive wealth and windfall to make up for the poor fortune of rabbits.