? Generally speaking, the dissolved oxygen in the water body is relatively low, so the fish will float. There are many reasons for hypoxia, on the one hand, the problem of feeding density, on the other hand, it is caused by the environment, no matter what kind of oxygenation should be carried out in time, so as to alleviate the lack of oxygen. In addition, if the fish are fed regularly, the fish will also look for food on the surface of the water at a certain time.
1, density is too big: The main reason of anoxia or raise density is too big. It may be that there are more fish, or that the fish tank is too small, so it needs to reduce a few, or change to a large fish tank. As long as the fish tank has enough space to hold a large amount of water, the dissolved oxygen can also be satisfied.
2. The air pressure is too low: The dissolved oxygen in the water is often related to environmental factors. When the temperature is high or the air pressure is low, the dissolved oxygen will also decrease, resulting in anoxia of fish. In view of this situation, the only thing that can be done is to oxygenate the water body with an oxygen pump, so as to ensure sufficient oxygen in the water body.
3. Fish tank algae explosion: When algae explosion occurs in the fish tank, the respiration of algae will also consume a lot of oxygen, so it will make the fish anoxic. Usually when algae appear, we should be vigilant, we must avoid a large number of reproduction, and clean up in time.
