1. Reason: Map fish may eat too much when lying on the bottom of the tank. They are greedy fish. After eating, I will lie lazily at the bottom of the tank motionless.

2, Solution: This is a normal situation, and breeders need not worry. If they appear to lie prone because of eating, the breeder can choose to raise the water temperature and speed up their digestion.

1. Reason: Map fish may lie prone to the tank because of lack of oxygen, and their demand for oxygen is on the high side. If the dissolved oxygen in water is insufficient, they will lie prone to the tank.

2. Solution: The breeder needs to turn on the oxygen pump immediately to ensure sufficient dissolved oxygen in the water. If there is no oxygen pump, you can choose to replace new water to increase the oxygen in the water.

1. Reason: It is also possible that the map fish lie prone on the tank because of insufficient living space, they are too large and need more activity space. If there is not enough space, they will lie on the bottom of the cylinder.

2. Solution: The breeder can reduce the breeding density or choose to replace other containers. As long as there is enough room for activities, they can be restored.

1. Reason: Map fish may lie prone on the tank because they are sick. After illness, their physical strength and energy will deteriorate, so they will lie prone on the bottom of the tank all the time.

2. Solution: Breeders need to judge the cause according to their condition and performance, and then treat them according to the cause.