Koi color
Black
Solid black pigment. In birds often with a green or purple sheen; on skin, legs, beak, comb and tongue the dark pigment some standards call for.
8 Koi breeds list Black. It is in a club standard for 4 breeds.
Breeds whose standards accept Black
Breeds where Black is disqualified or not accepted
Color changes
How Black can appear or change over an animal's life.
Blackchanges toWhite
Skin and scales · With temperature · can change back
Whitechanges toBlack
Skin and scales · With temperature · can change back