breeding: the breeding water temperature should be 25 ~ 28℃, and the parent fish should be put in according to the ratio of male to female of 1∶1. After the brood, they are very active, and appear marriage color, which is more vivid. Male and female brood fish chase each other and circle in the water. While the female fish is ovulating, the male fish ejaculates. The fertilized eggs sink to the bottom of the water or adhere to the aquatic plants, and each pair of parent fish lays about 1 eggs at a time. After spawning, the parent fish should be fished out in time for another feeding, the fertilized eggs will hatch for about 3 hours, and the larvae will swim for 36 hours before feeding. The accessibility is mature in 6 months, and it can reproduce many times a year.