Kikokuryu is in essence a Kumonryu that is metallic. This fish poses many challenges to those who dare breed them. You can boost sales with this fish because no two will be alike and they are seldom seen in the marketplace in any quantities. More on that later.
The ever-changing nature of a Kumonryu is exciting in itself. Adding more to the mix of genetics by including a metallic sheen increases the difficulty of production many, many more times.
There are many types of Kikokuryu from the standard white/black metallic look that originated from crossing Kumonryu with platinum. This koi fish (Pic A) is a very unique fish with a scale pattern down its back. We differentiate this fish from a Gin Matsuba Doitsu because of the underlying black color that shows in the head. The sheen and dark, dark black of this fish make it truly spectacular.
Another good example of this is pictured here in a butterfly fin type. With this fish no color other than black and white are showing, however as with these ever changing varieties, to the surprise of the hobbyist who kept this fish, it developed into a beautiful Kin Kikokuryu the very next year! (Pic B)
Adding to the Base Colors of a Kikokuryu
We have mixed in colors to promote deep shades of yellow, orange or even red. When all of these colors come together we call this a Kin Kikokuryu or Beni Kikokuryu. This variant can produce some very spectacular looks from a subtle yellow or a very rare lemon/lime green look. More often a brilliant shade of orange.
It’s hard to believe that out of a trio of fish produced, all these variants can emerge in the same pond. It’s hard to tell what these fish will do. Only time, growth and proper water quality will determine the outcome. Remember this fish is ever changing and you will always look forward to the next season and a whole new look
Water quality plays a very large part in determining what these fish will look like. Just like the black of a standard Kumonryu, Kikokuryu has an underlying black that shows itself best in hard water and cooler waters. Fall through spring is the best time to see the ebony black that makes these fish shine. A great way to help this is to be sure your alkalinity of your pond/holding systems is high (180 ppm or greater). Some of the simplest ways to do this is to keep a bag of oyster shells in your filter where it can dissolve as needed.