How Long Do Koi Live?

How Long Do Koi Live?

How Long Do Koi Live?

Koi live an average of 50 to 70 years, but can live over 200 years. The oldest koi on record is Hanako, a scarlet koi that died in 1977 at the age of 226.

Koi are ornamental varieties of the common carp. They are distantly related to goldfish, which were bred from a different species of carp. They were originally bred in Japan and spread to Europe and North America during the 20th century. They are cold-water fish, but they do not thrive at temperatures below 10 degrees Celsius. They are omnivorous feeders and accept a wide variety of foods. The main health threats to koi are the koi herpes virus and Rhabdovirus carpio. There is no treatment for either disease.