the origin of koi fish

Koi ornamental fish is derived from goldfish which is a cash fish from japan country, koi fish is called as a bearer or hoky bearer for you who maintain it, in japan koi called kai which means colored fish. The origin of koi fish many versions, one of which comes from persia, then brought by the Chinese nation to japan for the cultivation.
Koi fish including fish species that are easy to keep.