Which Κυπρίνος κόι breeds come in Μαύρο?

Club breed standards describe Μαύρο for the Κόι.

Κυπρίνος κόι color

Μαύρο

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 Κυπρίνος κόι breeds list Μαύρο. It is in a club standard for 4 breeds.

Breed	JNPA
ΚόιΣάνκε	Εντός προτύπου (“black imprints (urushizumi)”)
ΚόιΣόουα	Εντός προτύπου (“black body (black background)”)
ΚόιΜπέκο	Εντός προτύπου (“black imprints shaped like spots”)
ΚόιΟυτσούρι	Εντός προτύπου (“black body (black background)”)

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