Possible reasons: 1, Qicai has been infected with bacterial enteritis, and Qicai who is sick will refuse to eat. It should be noted that at this time, Qicai has stopped eating, and it is impossible to treat the disease by oral feeding. Only medicinal bath can be used, and then vitamins can be supplemented to treat Qicai angelfish.

2. There are parasites in the colorful angelfish, such as six flagellates, tapeworms and capillary nematodes. Colorful infected parasites will not eat. In this case, the breeder can choose some specific pesticides to remove the parasites in Qicai and restore it to a healthy body.

3. The sudden change of water quality environment will make Qicai unable to adapt quickly, and Qicai will not eat. For example, if the water temperature suddenly drops, colorful diets will become abnormal. At this time, the breeder should slowly heat the water temperature of the aquarium so that Qicai can eat normally slowly.