Healthy map fish can generally grow to 30 cm long. Map fish is the largest fish among tropical fish. Because map fish eat a lot and have a strong excretion ability, it grows very fast. About each Month can grow about 3 cm. The size of map fish is also related to feeding.The factors that affect the growth of map fish are as follows: .

1. Feed map fish loach, live fry and beef heart to make it grow faster. But it should be noted that the loach should be cut into pieces, otherwise the loach may pierce the intestines and die.

2. The map fish is a very aggressive fish and has a strong sense of territory. Its territory cannot be tolerated by others. Uninvited guests invade, especially when they are in estrus, and the attacks and fights between them are very frequent and violent.

3. If the water is not changed in time, it will affect the health of the map fish.

4. Common diseases of map fish, such as white spot disease, fin rot, etc., will affect their health.