Parrot fish need oxygen, which is essential for them. Because they are hybrid fish, their lips are naturally lax, so there will be less water passing through their gills and less oxygen. If the breeder doesn't give them oxygen, they are likely to suffer from lack of oxygen.

To raise parrot fish artificially, it is necessary to install an oxygen pump and regularly pump oxygen for a period of time every day, so as to ensure their sufficient oxygen. In addition, when they are sick or when the pressure is low in rainy weather, the dissolved oxygen in the water will decrease, so breeders need to supplement them with oxygen regularly to ensure sufficient dissolved oxygen in the water.

The time of parrot fish get oxygen every day should be determined according to the feeding density. If the feeding density is not high, it can only get oxygen during the day, and the parrot fish will also enter a rest state at night, and the demand for oxygen will decrease. The breeder can choose not to get oxygen or adjust the oxygen power to the minimum.

If parrot fish are raised at too high a density, 24 hours of oxygen is required. Because their own demand for oxygen is relatively high, and the feeding density is too high, the dissolved oxygen in water will be insufficient. If breeders can't keep getting oxygen, they may suffer from lack of oxygen and death.