1. What is the appropriate size for koi fish It is more appropriate for koi fish to start with more than 20 cm. On the one hand, it is difficult to raise young fish that are too small, on the other hand, it is difficult to judge the species of young fish. Koi is a high-grade ornamental fish, which can grow to about 1 meter. As a wide-temperature fish, it can endure low temperature, at the same time, it has low requirements for the environment, and its feeding habits are miscellaneous, so it is easy to raise. However, due to its large size, it is necessary to oxygenate the fish tank at all times.
2. How to raise koi1. Feeding: Koi doesn't know that it is hungry and full, so it will always eat as long as there is food, so novice koi must not feed too much food to avoid them being supported to death or having gastrointestinal diseases. Under normal circumstances, it can be fed 1-2 times a day, and the amount of each feeding can be finished in 5-10 minutes. Koi carp has a miscellaneous diet, and there are many kinds of foods that can be eaten. The common fish feed in the market can be fed to them.
2. Water quality: Koi likes clean and refreshing old water, but they can eat and pull, which is very easy to damage the water quality. Therefore, breeders need to install circulating pumps for them, which can slow down the deterioration of water quality and reduce the frequency of water change. After installing the circulating pump, change the water 1-2 times a week.
3. Oxygen: Koi has a large demand for oxygen. In the process of feeding, if oxygen is found to be insufficient, it is necessary to immediately apply oxygen or change water to ensure sufficient dissolved oxygen in water.
