is koi easy to raise. This kind of koi is a common breed. Its color is red and there are black spots on its head. Like other koi carp, its feeding habits are miscellaneous, and there are many things to eat. Animal feeds include water fleas and water earthworms, plant feeds include weeds and planktonic algae, etc. In addition, artificial pellet feeds can be fed. In addition, as a wide-temperature fish, it has a wide range of temperature adaptation and can live in the environment of 10-30 ℃.

1. Adequate oxygen: Although koi fish lives in water, its demand for oxygen is still relatively large. When oxygen is insufficient, it may die immediately. Furthermore, the density of feeding fish is relatively high, and they all need oxygen, so oxygen is easy to be insufficient. When oxygen is insufficient, oxygen should be given in time.

2. Good water quality: Koi can't live without water. Good water quality makes Koi live longer. If water contains chlorine and ammonia poison, they will be poisoned. To prevent toxins in water bodies, we must change water frequently, once every three days, and expose to the sun for three days before changing water to remove chlorine.

3. There is food: Koi is a kind of fish that is easy to raise in general, and its feeding habits are miscellaneous. However, if the food fed lacks nutrition, it will not grow fast, its resistance will decrease, and it will easily get sick and die. When choosing food, we must ensure the quality and healthy eating of koi.