Pharaoh cuttlefish they can show a mottled white and brown color, with a center circle of brown. The mechanism for color is the same in the Pharaoh cuttlefish as it is in other cuttlefish. This colour-changing function is produced by groups of red, yellow, brown, and black pigmented chromatophores above a layer of reflective blue and green tinted iridophores and leucophores, with up to 200 of these specialized pigment cells per square millimeter. These sacs of color are controlled by rings of muscle around the sac. The cuttlefish expands and contracts these muscle rings in order to show different colors. It is
Tri Coloured Dutch Tri Coloured Dutch The Tri-Colour Dutch (also known as the "Japanese Dutch" or "Harlequin Dutch") is a breed of domestic rabbit created in the Netherlands by crossing tortoiseshell Dutch rabbits with Harlequin rabbits. The Tri-Colour Dutch breed is recognized by the British Rabbit Council but not by the American Rabbit Breeders Association (although there are breeders of Harlequin Dutch rabbits in the USA). The coat of the Tri-Colour Dutch is white in the same places as a Dutch rabbit, but the coloured portions of the coat are a mix of orange with either black, blue or chocolate. The BRC Breed