Koi fish live 60-70 years. If koi fish are raised correctly, their lifespan can reach 70 years or more, and there are records of koi fish that live up to 200 years old. How long they can survive depends on whether various factors in the environment are suitable for their growth and development. Factors such as density, feeding, water quality, etc. will all affect their lifespan. If these are kept appropriate, the life of the koi will be long.

How to extend the life of Koi?

1. Breeding space: Koi will adjust its body shape due to the environment, so it can be raised in an aquarium or fish pond. Do not put too many decorations in the aquarium to avoid damaging the fish. Sufficient space for activities can ensure the physical and mental health of koi fish, allowing koi fish to grow better.

2. Water temperature: The water temperature range for koi fish is 2℃-30℃. The most suitable water temperature for life is 20℃-25℃. Suitable water temperature can enhance the appetite of koi fish and ensure the health of koi fish. healthy.

3. Water quality: Water is as important to koi as air is to humans and is indispensable. In order to maintain good water quality, you need to change the water about twice a week. If the weather is hot and muggy, you need to change the water more often, three to four times a week.

4. Feeding: Koi have no sense of fullness. If you feed too much, koi will easily die. Feeding once a day is enough. At the same time, it is necessary to ensure the diversity of food, which can provide rich nutrition to koi fish.

5. Light: If the light used to maintain koi is too dark, the growth of koi will be affected. At this time, artificial light needs to be added, and incandescent lamps or metal halide lamps can be used to supplement the light.