Active camouflage the surface, so when marine animals are seen from below, they appear darker than the background. Some species of cephalopod, such as the eye-flash squid and the firefly squid, produce light in photophores on their undersides to match the background. Bioluminescence is common among marine animals, so counterillumination may be widespread, though light has other functions, including attracting prey and signalling. Color change permits camouflage against different backgrounds. Many cephalopods including octopuses, cuttlefish, and squids, and some terrestrial amphibians and reptiles including chameleons and anoles can rapidly change color and pattern, though the major reasons for this include signalling, not
Type 99 (camouflage) Type 99 (camouflage) Type 99 is a camouflage pattern used by People's Liberation Army of the People's Republic of China. Type 99 has developed many variants throughout its service, each with different designations and colour variants. For example, there are "Type 87", "Type 95", and "Type 03" patterns. The main variant is a four-colour woodland pattern with olive, green, yellowish-green and black. Type 99, like many other woodland uniforms with black, has been criticized for its use of this color, but once faded, it becomes dull and subdued, and therefore virtually unnoticeable. Type 99's style imitates that of the older