Only the black, eumelanin pigmentation is acceptable.

Generally, the forelegs have no black pigmentation on their undersides.

Some of these reticulations are filled with black pigmentation.

The dewlap, or gular area, is a greenish-gray with black pigmentation in the center.

The gular area of the female is white to yellow without the black pigmentation in the center.

The breed standard requires black pigmentation and dogs should have a black mask that does not extend above the eyes.

Melanism is an excess of black pigmentation, resulting in a black or dark grey fish.

Melanin is the dark brown or black pigmentation.

They are yellow to orange, with various degrees of black pigmentation.

He presented himself to the Spaniards, naked and covered by a black pigmentation.