Camouflage the peacock flounder, squid and octopus actively change their skin patterns and colours using special chromatophore cells to resemble their current background, or, as in most chameleons, for signalling. However, Smith's dwarf chameleon does use active colour change for camouflage. Each chromatophore contains pigment of only one colour. In fish and frogs, colour change is mediated by the type of chromatophores known as melanophores that contain dark pigment. A melanophore is star-shaped; it contains many small pigmented organelles which can be dispersed throughout the cell, or aggregated near its centre. When the pigmented organelles are dispersed, the cell makes a
T99 (camouflage) T99 (camouflage) T/99 is the designation of the camouflage pattern of the Danish Armed Forces desert combat uniform. It is a 3 colour camouflage pattern, similar in design to the Danish M/84 pattern. It is considered to be the desert counterpart of M/84, and consists of different colors better suited for arid climates. The uniform contains splotches of earthy red and dark green on a sand-coloured background. The first version of T/99 was trialled in 1999 and issued in 2000 to Danish personnel attached to the Standby High-Readiness Brigade for United Nations Operations. These service personnel were dispatched to Africa