Which Karp koi breeds come in Czarny?

Club breed standards describe Czarny for the Koi.

Karp koi color

Czarny

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 Karp koi breeds list Czarny. It is in a club standard for 4 breeds.

Breed	JNPA
KoiSanke	Zgodne ze wzorcem (“black imprints (urushizumi)”)
KoiShowa	Zgodne ze wzorcem (“black body (black background)”)
KoiBekko	Zgodne ze wzorcem (“black imprints shaped like spots”)
KoiUtsuri	Zgodne ze wzorcem (“black body (black background)”)

How Czarny can appear or change over an animal's life.