zookeeper wrote:
Gary Rich wrote:

I picked up a nice little shusui (scaleless asagi) this spring at the
Young Koi Show in SoCal. He was only $18 at 2" with a nice color.
He's now ~6" and the blue upper section is sky blue or maybe
cornflower blue (in the Crayola color scale) ...

Keirin Koi has a good page on shusui koi:
http://www.keirinponds.com/shusui.html