The black-lined flying fox is a vegetarian fish, and it does not have high requirements for food. There are many reasons why the black-lined flying fox does not eat. When the black-lined flying fox does not eat, we must observe the state of the black-lined flying fox from various aspects. , find the real reason for not eating. Generally, the black-line flying fox does not eat food in the following four situations.

1. If it is because of too much feeding, you need to wait until Continue feeding after digestion. Black-lined flying foxes are not picky eaters. General fish food, algae feed and cucumber slices are acceptable. Overfeeding is not advisable as it may cause the black-lined flying fox to become sluggish. Prefers to eat thinly sliced fish food rather than algae. If the aquarium is severely attacked by black hair algae, it is necessary to reduce the feeding as much as possible to encourage the black line flying fox to eat black hair algae.

2. The black-lined flying fox that has just arrived in an environment will also not eat food due to its unfamiliarity and incompatibility with the environment. When the black-lined flying fox adapts to the new environment, it will resume eating.

3. It is necessary to confirm that the aquarium has a good filtration cycle. If it is due to the lack of oxygen in the water body, the black-line flying fox has a loss of appetite, and it needs to be fully oxygenated into the water. If the water is not replaced for a long time, the water quality in the fish tank will deteriorate, and the black-line flying fox will also refuse to eat. At this time, a new and healthy living environment should be re-established for the black-line flying fox, and the black-line flying fox will slowly resume its eating habit.

4. If the black-line flying fox is sick, it is necessary to suspend feeding and wait until the disease is cured before feeding.