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
Black and Yellow the Pittsburgh Pirates. In the year after it was released, "Black and Yellow" spawned dozens of remixes, parodies and remakes, both in the US and internationally, many of them made in tribute to a local sports team. At Super Bowl XLV in 2011, which featured the Steelers competing against the Green Bay Packers, the Steelers used "Black and Yellow" as their fight song, while the Packers used a remix by Lil' Wayne called "Green and Yellow", marking the first time both teams at the Super Bowl had used the same song. On the issue dated October 2, 2010, "Black and