Hanako (fish)

Hanako (c. 1751 – 7 July 1977) was a scarlet koi fish owned by several individuals, the last of which being Dr. Komei Koshihara. Her name Hanako is translated “flower girl” in Japanese.[1] She was reportedly 226 years old at her death.[2][3][4][5] Her age was determined by removing two of her scales and examining them extensively in 1966. At this time, Hanako weighed 7.5 kilograms and was 70 centimeters long.[1] Once the scales were fully analyzed, it was said that she was 215. She is (to date) the longest-lived koi fish ever recorded.[2][6]

The average koi breed outside of Japan can be expected to reach 15 years of age, but the average Japanese koi's lifespan is 40 years.[7]

See also

References
  1. "Koi Hanako - Longest Living Freshwater Fish Ever". Fish Laboratory. Retrieved 2019-05-27.
  2. The World's Oldest Koi
  3. Hanako
  4. International Nishikigoi Promotion Center-Genealogy
  5. The Guardian
  6. Yasuka, Author (2011-10-26). "Hanako, the scarlet koi". KCP International. Retrieved 2018-12-24.
  7. "The Koi Lifespan and Why Japanese Koi Live Longer". Koi Story. Retrieved 2019-05-27.
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