Parrot fish have fierce character and strong territorial consciousness. If you want them to mix with other fish, you'd better choose some similar characters and body shapes. More suitable for map fish, purple red fire mouth fish, red devil fish, pineapple fish, warship fish, arowana and so on. These kinds of fish are not particularly gentle in character, and they will neither be attacked by parrot fish nor take the initiative to attack parrot fish. In addition, parrot fish in infancy can also be mixed with Siraitia grosvenorii, but when Siraitia grosvenorii reaches adulthood, breeders try not to let them mix together. Because the character of Siraitia grosvenorii will become very fierce in adulthood, parrot fish can't beat Siraitia grosvenorii in general.

1. Mild fish: Parrot fish is fierce in character. If mixed fish is gentle in character, it is easy to be bullied by parrot fish. If it is small, it may be eaten by parrot fish.

2. Smaller fish: Parrot fish can't be mixed with small fish, because parrot fish is a medium-sized fish, and its body length can reach about 20 cm in adulthood. If they are mixed with small fish, small fish will be easily killed or eaten by parrot fish.

3. Fish with high oxygen consumption: Parrot fish can't be mixed with fish with high oxygen consumption, because they have high demand for oxygen. If they are mixed with fish with high oxygen consumption, the dissolved oxygen in water will be insufficient.