There are many reasons why the Bolivian phoenix does not eat, such as:

1. Change the water too often, too much: change the water too often or change too much new water at one time, the Bolivian phoenix Often there will be a stress response due to maladaptation, so it will refuse to eat. This situation is the best to deal with, because most stressed Bolivian phoenixes can heal themselves. When they slowly get used to the new water, they will start eating.

2. Disadaptation to the new environment: The Bolivian Phoenix just changed its environment , will refuse to eat because of fear or panic, which is also a relatively common reason. It is better to feed the Bolivian Phoenix the same brand of fish food that the store used to feed.