How Long Do Koi Fish Live (Koi Fish Lifespan)

Koi fish are known to live a long time. But how long do they actually live? Well, the average lifespan of a koi fish is about 25 to 35 years. While you may think that’s a long life span for a fish, they can actually live much longer than that. If a Koi fish is well taken care of with clean water and good food, then they can live over a hundred years.

If the Koi fish is maintained in perfect conditions, then it can live into their 50s and 60s on average. In other situations, considerably longer than that, perhaps 90s or more.

Why is your Koi fish not growing more than 3 to 5 years?

There are people saying that their Koi fish is not growing more than 3 to 5 years. Let us check out the reason for such an issue.

This happens mainly when you are a beginner. Beginners keeping Koi fish may only be able to grow them less than 5 years. It’s mainly because you don’t give proper care for your fish.

Every fish needs a little different way of care. That’s the case for Koi fish too. Beginners usually don’t know much about how to care a Koi fish properly and ends up killing them.

Below, I have given some easy steps to increase the lifespan of your Koi fish:

  • Keep them in a bigger environment.
  • Avoid crowding of fishes in the fish tank.
  • Maintain proper water quality. Lower quality water can lead your Koi fish to premature death.

Why your Koi fish don’t grow more than 20 years

If you are a professional fish keeper, or the one who has a lot of experience in fish keeping, then you can grow your Koi fish up to an average lifespan of 15 to 25 years. You may be wondering why the difference still short. This is mainly because, such long living fishes may out live us in most cases. After which, proper care may not be given.

Most fish keepers start in a good enthusiasm and they will slowly loss their craze. Means, most people do not keep track of these fishes in a good way for a long time. Some people may leave this hobby too.

Also, you cannot expect that they can keep on living for another 15 to 20 years if they go to a new great tank or keeper.

How long do Koi fish live in a tank

Koi fish are one of the most popular and beautiful fish in the aquarium. They are available in a wide variety of colors, shapes, and sizes. They can live up to 25 to 35 years in a fish tank.

The tank size is an important factor that affects the life span of koi fish. A large tank will provide them with plenty of space to swim, which will help them live longer than if they were in a small tank.

Which is the world’s oldest Koi?

The oldest Koi ever recorded was reported to be 226 years old. This was a female Koi in Japan named Hanako. Her age was verified by analyzing the rings on her scales, much like how the age of trees are determined by the rings of growth on the wood. The annual growth rings on the scale of this Koi was counted using a light microscope.

Hanako is said to be the oldest Koi (most lived Koi) and have lived to the age of 226 years old. The name Hanako translates to flower girl or flower made in Japanese. The fish was said to have been born in the monsoon season of 1751 during the Tokugawa or the Edo period in Japan. it is also believed that she spent most of her life in a pond in a special ravine that was made for her at the foot of Mount Ontake.colleague at the college professor

Many believe that her old age was attributed to the fresh clean flowing water that was constantly entering her pond from the mountain. It is believed that this very clean lifestyle along with the love and attention given to her over the centuries by her caretakers are the factors that allowed her to live so long. However she did not gain nationwide and worldwide attention until her final owner Dr. Komyoji Hara. He inherited the fish from his maternal grandmother and she had told him that the fish was from olden times so he decided to have two of the fish’s scales examined at the Nagoya Woman’s College he got in touch with his Masayoshi Hiro and together the two of them used some new forms of science that are similar to the way you would analyze a tree trunk and the rings on it they used these techniques and after two months they were able to determine that the fish Hanako was 215 years old now this discovery took place in 1966 that would mean that hinako was born in 1751 at the time of these

measurements hinako weighed in at seven

and a half kilograms or fifteen pounds

but the length of 70 centimeters or 27

inches long when they found this

incredible discovery they decided to

have the other five koi in hinako’s pond

tested for their age and after a

year-long analysis they discovered that

all five of the fish were over a hundred

years old when dr. ko shihara learned of

hinako’s age he went on to the Japanese

radio station NHK and he broadcast to

the entire nation about his fish

how long she had lived in her entire

story he talked to the listeners about

how much love he had for the fish how

she was his best friend and how he could

come up to the pond and he could call

her name and without even seeing him

hinako would hear him calling her name

and she’d show up right to wherever he

was and she’d allow him to pet her and

they had a very strong bond and

communication between the two of them

and he felt very connected to hinako now

the fish went on to live another 11

years until her unfortunate passing in

1977 on the very memorable date of 7-7

1977 and that would mean her final age

was 226 years old so that’s the story of

hinako it’s a pretty incredible story

that I’d love to tell people now there

is some speculation and some some debate

over whether or not there is truth to

this story whether or not there is

accuracy and real scientific backing

behind the methods that were used to

measure her age much of that debate will

come from koi breeders and quite

enthusiasts and that’s based on the

accurate age the most commonly accepted

koi age band is about fifty years give

or take maybe a decade so this is

definitely way higher than what is the

average accepted age for koi nowadays

but whether or not it’s true I still

think it’s a really good story that I

wanted to share with you guys if you

guys found this video interesting in any

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always thank you for watching

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