Why did koi fish float?

1, weather: rainy weather, the oxygen content in the water is very low, which can not meet the needs of koi fish, resulting in hypoxia, leading to the floating of koi fish;

2. Water quality: water is particularly green or clear, which may also lead to floating;

3. Look at the creatures in the water: if a large number of microorganisms in the water die because of the weather or the use of drugs, it is easy to float;

4. Water color: The sudden change of water color indicates that the species of phytoplankton in the water have changed. The death of phytoplankton may decompose toxins, stimulate the respiratory system of fish, affect oxygen exchange and cause floating head;

5, check the fish gills: if there are a lot of parasites on the golden fish gills, accompanied by rotten gills, gill mold and other diseases, it will also cause breathing difficulties and floating head phenomenon;

6. Breeding density: the space is small, and there are many koi fish. Because of the lack of oxygen, koi fish floats.