The Ojiya No Sato Museum in Niigata Prefecture, Japan, is the only museum on the globe that reveals equally kinds of living koi and knowledge that clearly show the record of their breeding.[two] According to Zen Nippon Airinkai, a group that prospects the breeding and dissemination of koi in Japan, https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah