Kawarimono

The Kawarimono is a Nishikigoi (short form Koi ), a colored carp.

Kawarimono is the collective group of all non-metallic Koi that cannot be assigned to one of the other cultivated forms. It is an ever expanding group as new crosses are assigned to it. All kawarimono should have a clear, defined pattern and pure colors.

Further breakdown:

Aka Muji - solid red
Benigoi - solid purple
Chagoi - solid brown
Higoi - solid red
Kigoi - solid yellow
Magoi - solid black
Midorigoi - greenish yellow
Shiro Muji - plain white
Soragoi - solid blue-gray
Akame Kigoi - albino with red eyes
Enyu - purple colors with red drawing
Oshiba Shigure - blue-gray with brown markings
Ghoshiki - Red, white, black, light blue, and dark blue patterned
Tsubo Sumi - white with black markings
Karasu - Black with a white or orange belly
Aka Hajiro - red with white fin tips
Hajiro - Black with a white nose and white fin tips
Yotsjiro - Black with a white head and white fins
Hageshiro - Black with white on the head and white pectoral fin tips
Kumonryo - Black with Doitsu scales, white on the head, fins and body