Photos from "Koi Kichi" by kind permission of Peter Waddington
This is a collective name for non-metallic Koi, which with the exception of Goshiki do not fall into any of the other varieties. They are true varieties, but compete against each other in a show under Kawarimono classification.
Benigoi or Aka Muji Kigoi Shiro Muji
Magoi Chagoi Soragoi
Ochibashigure Hajiro Hageshiro
Kumonryu Karasu Midorigoi