How long can koi carp live? Koi can live to be more than 70 years old, similar to human life, and can stay with their owners for the rest of their lives.
Koi fish are ornamental fish with a long life span. If good growth conditions are guaranteed, koi fish can live for more than 70 years, or more than 70 years old, similar to human life, raising koi fish can accompany the owner to old age…
Koi (Cyprinus carpio haematopterus) belong biologically to the Cyprinidae family, the largest family of all fish species, with more than 1,400 species. It is a kind of high-grade ornamental fish that is popular in the world today. It has the reputation of “living gem in water” and “swimming art”. Because it does not require high water quality, food is more miscellaneous, easy to reproduce, so people praise, love. Koi fish generally live a long time, and if kept and managed well, koi fish are quite simply the longest-lived aquarium pet. So, how many years do koi fish live? How big will it eventually grow?
Many fishermen ask, “How long can koi fish live?” Koi fish is a fish, in fact, the life long fish, if guarantee good growth conditions, the average life of brocade carp can reach more than 70 years old, or more than 70 years old, is similar to the life of the people, keeping koi fish can accompany host into old age, this is unmatched by any pet, is such, koi fish fish became all the rage.
So how big can koi normally grow? It is understood that koi fish from hatching, is a period of rapid growth, before the second age of male koi fish growth fast, after the second age of female koi fish growth fast, just after hatching an average length of 1 cm, 40 days long 2 cm, 60 days long 3 cm, 80 days long 8 cm; Later to 1st age koi grow to 10-20 cm, 2nd to 24-30 cm, 3rd to 37-40 cm, 5th to 45-50 cm, 10th to 55-70 cm, and beyond 10th age koi can grow to 1-1.5 m.
So, is there anything you can do to make koi fish grow up fast? The answer is that koi fish need to be properly fed in larger tanks or small ponds. Generally speaking, if you choose to raise koi fish in a tank or fish pond, make sure that the tank or tank is at least 4 times the length of the fish; One and a half times as wide as a fish; The water is twice as tall as the fish. After that, with proper feeding and prevention of daily diseases, if done properly, koi can grow very quickly. When a koi fish gets really big, it needs to be given more room. The best way is to build a big pond outside for the koi fish to live in.
Koi fish, like other fish, judge their age in the following ways:
- The correct age can be determined by the growth rings on the fish scales, which are similar in shape to trees, going round and round, but it is also wrong to use a magnifying glass or microscope, and the newly grown scales, which are the same for all fish.
- If you just make a rough estimate of whether the fish is old or young, you can see from its eyes that the black part of the fish’s eyes is older than the black part.
- Koi carp also has the performance of body color. Generally, mature fish have a high stability and solid body color texture.