The breeding water temperature is about 24℃, the eggs are floating fish eggs, and the parent fish have the habit of swallowing fish eggs. Therefore, before breeding, more floating aquatic plants should be put in the breeding pond, preferably some chrysanthemum grass with smaller plants, so that it can float on the water.

The whole spawning process takes several hours. Each pair of parent fish can lay about 1000-3000 eggs at a time. After spawning, the parent fish should be fished out immediately to avoid swallowing the fish eggs.

The fertilized eggs can hatch into larvae after about 36 hours, and the larvae can develop into young fish that can swim and eat after about 36 hours. The parent fish is sexually mature 15 months, and 1 year can reproduce 7 or 8 times.