Koi- nK/KK (Rare)

Koi is a marking that resembles the markings on a koi fish. This is a two layered marking, a white layer and a darker layer. layers mimic piebald and patches. In non dom form can fill two zones and touch all zones. In dom form can fill three zones and can touch all zones. 

Both colors need to be seen but does not have to both be equal in coverage.

Koi can have a optional natural shaped red shaded marking on the forehead from tip of nose to eyebrows.

While iridescent and gradient cannot affect the white part of koi it can affect the color part of koi.