thumb|Koi in Japan thumb|Several koi swim around in a pond in Japan (video). thumb|A school of koi containing multiple different varieties
Article
18 sectionsContents
- History
- Prehistory
- Middle Ages
- Modern period
- Today
- Etymology
- Taxonomy
- Varieties
- Differences from goldfish
- Health, maintenance, and longevity
- Disease
- Breeding
- In the wild
- In common culture
- See also
- References
- Further reading
- External links
thumb|Koi in Japan thumb|Several koi swim around in a pond in Japan (video). thumb|A school of koi containing multiple different varieties
, or more specifically , are colored varieties of carp (Cyprinus sp.) that are kept for decorative purposes in outdoor koi ponds or water gardens.