Precautions for polyculture of Egyptian angelfish:

1. Water quality. The water quality should be maintained as weakly acidic soft water, with the pH value preferably between 5.5 and 6.5, and the total hardness between 0 and 3°dH.

2. Water temperature. The Egyptian angelfish is less cold-tolerant than other types of angelfish and is very afraid of hypothermia. It is easy to get sick when the water temperature is below 25°C. It is best to keep the water temperature between 27 and 30°C.

3. Body shape. The first thing you need to pay attention to when raising fish in polyculture is their size. Large fish will eat smaller fish, because it is natural for big fish to eat small fish.

4. Habits. It is best to keep the fish that are to be mixed together in the same habits. If they are tropical fish, it is best to keep them together with tropical fish. Problems may arise if they are kept with cold-water fish.

5. Space. In order to ensure that the fish do not fight, the mixed fish must have enough space so that they have a chance to escape if they fight.