The fish in the fish tank suddenly disappeared, generally there are only three reasons. The first is to be eaten, either by big fish, or to be eaten after death. The second is to hide, if there are a lot of water plants and stones in the fish tank, the fish will hide in it, it is difficult to find it. The third is the jump cylinder, which is caused by many reasons, such as lack of oxygen or bad water and so on.
1. Poor water quality: The sudden death of the fish is most likely caused by poor water quality. Most of the water used for fish farming is tap water, which must be dried before it can be used. And regularly change the water in the fish tank, once a week, a quarter of each time, so as to ensure the clean and hygienic water quality.
2. Oxygen deficiency: If the oxygen in the water body is insufficient, it will also lead to the death of fish, and a large number of fish will die. However, water hypoxia is generally symptomatic, such as fish begin to float head, while more anorexia, in this case, it is necessary to timely oxygen, otherwise it will die of severe hypoxia.
3. Feeding too much: If you feed the fish too much, it is very easy for them to suffer from enteritis. If this disease is not treated in time, it will also cause the fish to die. Moreover, more feeding and excretion, water quality is not good to maintain, which is very harmful to the health of fish.
