a month. When the map fish grows fast, it can grow about 2 centimeters a month and 12-15 centimeters a year. Novice fish generally do not grow so fast, a month can grow about 1 cm, a year's body length is about 10-12 cm. The growth rate of
map fish is affected by many factors, such as temperature, food and water. The temperature should be stabilized at 22-26 ℃, and the water temperature should be strictly stabilized when the season changes or the water is changed. The water body should be replaced frequently, and one third of the water body should be replaced. The water quality should be good, clean and odorless. Moreover, food should be fed regularly. Food can choose to harvest shrimp, small fish and so on, which can promote the growth of map fish.
? 1. The map fish usually begins to reproduce at 18 months. At this time, it begins to mature sexually. It can reproduce many times a year. Among them, autumn and summer are the peak periods of map fish breeding, which is very suitable for their breeding.
2. When breeding map fish, select high-quality parent fish, put female fish and male fish together, and put stones and tiles in the breeding tank. After the female fish lays eggs, the male fish will go to fertilization, and the fertilized eggs can hatch into small fish in two to three days at the water temperature of 26-28 C.
