Types of Koi Varieties, Classifications, and More! kohaku koi fish The King of Koi: The Everlasting Beauty of Kohaku Among all the stunning koi varieties, the Kohaku reigns supreme as the undisputed king. This regal fish holds a special place in history, being the very first ornamental koi variety ever developed. What is a Kohaku … Continue reading types of koi The Different Varieties of Koi fish you need to know