Hanako, a koi fish who died at the age of 226. In 1966, two of her scales were removed and extensively studied to determine her age. She was the longest living koi fish (c. 1751 – 7 July 1977.)
Hanako, a koi fish who died at the age of 226. In 1966, two of her scales were removed and extensively studied to determine her age. She was the longest living koi fish (c. 1751 – 7 July 1977.)
