Koi fish is a common ornamental fish with a long life span, which can live for about 60-70 years. The life span of fish is generally related to its size, and large fish live for a long time, so koi fish still live a long life as long as it is properly raised. If you want it to live for a long time, you must pay attention to feeding, keep enough oxygen, and change water regularly to improve the water condition.
< h2 style= "white-space: normal; "> 2. How can koi fish live for a long time? < p style=" white-space: normal; "> 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. < p style= "white-space: normal; "> 2. Good water quality: The life of koi can not be separated from water, and the life of koi will be longer only if the water quality is good. 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. < p style= "white-space: normal; "> 3. Rich 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.