The Ojiya No Sato Museum in Niigata Prefecture, Japan, is the sole museum on the planet that reveals both sorts of living koi and facts that show the background in their breeding.[two] As outlined by Zen Nippon Airinkai, a bunch 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