4 Oldest Koi Fish In The World 

If you thinking about what is the oldest Koi fish then you come to the right place. Koi, or more specifically Nishikigoi, are colorful varieties of Amur carp that are kept in outdoor koi ponds or water gardens for decorative purposes. There are more than 100 varieties of koi produced through breeding and each variety is classified into 16 groups. The average koi fish lifespan outside of Japan is about 15 years, while in Japan it is 4 years. Owning koi fish can be a big commitment, not because of the high maintenance but because of how long koi live.so let’s start our today’s topic of the oldest koi fish.      

List Of 4 Oldest Koi Fish 

In the below list, I mention some of the names of the oldest Koi fish ever who live long. 

  1. Hanako
  2. Portland Japanese Garden Koi
  3. Big Girl
  4. Big Poppa

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Top 4 Oldest Koi Fish 

From the above list of the world’s oldest Koi fish, there are 4 koi fish. Let’s know more about them.

  1. Hanako


Do you know can Koi fish live 200 years?

Hanako is probably the most famous koi fish in history because of her amazing age. When Hanako died in 1977, she was believed to be 226 years old, making Hanako the oldest koi fish in the world. Hanako’s amazing story first came to light when her last owner, Dr. Komei Koshihara broadcast nationally throughout Japan on the Nippon Hoso Kyokai radio station. At the time of the broadcast, Hanako was 215 years old, weighed 7.5 kg and was 70 cm tall, and became the oldest living Koi fish.

  1. Portland Japanese Garden Koi

Portland Japanese Garden Koi

How old was the oldest koi fish?

The Portland Japanese Garden Koi has about 50 koi and is one of the garden’s most popular features. The Portland Japanese Garden has had a koi pond since the 1970s. According to veteran gardener Adam Hart, most koyas in the garden have records and names. Hart said most of the koyas in his garden had about 30 years. The oldest koi fish to ever live would be 26 years old today.

  1. Big Girl

Big Girl

Big Girl’s owner, Jeff Lawton, purchased the biggest Koi fish in the world from a specialist breeder in Japan. The oldest girl weighed a whopping 90 pounds and was 4 feet long. Lawton, who owns the Rainbow Koi Shop in Wiltshire, England, said Big Girl Koi fish was the largest koi ever exported from Japan and there had never been a koi as Big Girl in Britain before.

  1. Big Poppa

Big Poppa

Some people ask how old is the oldest koi fish, Big Poppa. It is a mysterious large koi that has lived in a pond at Discovery Green Park in Houston for six or seven years and is one of the longest-living fish. The park says they don’t know how or when Big Poppa got to the park. Michelle estimates that Big Poppa is 2 feet long and over 20 lbs. After being removed from the park’s pond, Big Poppa was relocated to Nelson’s Water Garden in nearby Katy, Texas.

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What Is A Ghost Koi?

Ghost Koi are a mix between a mirror carp and a metallic Ogon Koi. Ghost Koi grow faster than standard koi and will have either a metallic shine, yellow scales or a ghost white appearance. Koi thrive in a stable environment.

Can Koi Live 200 Years?

A Japanese Koi carp is believed to be the longest living freshwater fish ever recorded, having lived to the incredible age of 226 before dying in 1977.

What’s The Most Expensive Koi Fish?

S Legend (Kōhaku) is the most expensive koi in the world.
S Legend is a Kōhaku koi that sold for nearly $2 million. The nine-year-old fish was a “perfect” example of the breed, with bright splotches of orange along a white body.

What Is The Rarest Koi Color?

By far Ki Utsuri is the rarest type of koi fish in the world and it was almost gone extinct. They generally have a combination of yellow over lacquer black body and they are judged by the same criteria as Hi Utsuri and Shiro. The Ki Utsuri koi fish is created by cross-breeding of Magoi or black koi and Ki Bekko koi.

What Is The Largest Koi Fish?

The largest koi ever recorded is a jumbo koi named Big Girl. Big Girl was bred by a specialist breeder in Japan and now lives in Wiltshire, England. She measures over 4 feet long and weighs more than 90 pounds. To maintain such a size, Big Girl must eat a minimum of 1 pound of food per day.

Do Koi Get Bigger Than Goldfish?

Some varieties of koi can grow up to 3 feet long, whereas most goldfish won’t exceed 7 to 8 inches.


Now you have sufficient knowledge regarding the koi fish and here I explain to you about them such as who is the old koi fish. According to reports, koi fish can live a long time under optimal conditions, and it is believed that there are many koi that live more than 100 years. For the most part, these are just rumors, and most koi only live a few decades. The butterfly koi’s lifespan is up to 25-30 years under ideal conditions. However, the oldest koi on this list lived for over 200 years and its age has been scientifically verified. The above article was all about the oldest koi fish.  

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