Koi are ornamental varieties of domesticated common carp that originated in Japan. They are kept for decorative purposes in outdoor ponds with very clean, oxygenated water and plenty of shade (the fish are susceptible to sunburn!). Find out more!
Animal Encyclopedia.info is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
*Amazon and the Amazon logo are trademarks of Amazon.com, Inc., or its affiliates.
Additionally, Animal Encyclopedia.info participates in various other affiliate programs, and we sometimes get a commission through purchases made through our links.