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
Swiss Military TAZ 90 camouflage Swiss Military TAZ 90 camouflage Taz 90 (fr:TASS 90, Swiss Woodland) is the camouflage patterns for current standard issue battledress and service dress uniform of the Swiss Armed Forces. The four-colour pattern consists of tan, brown, green and black and is a development of the "Taz 57" and "Taz 83" (the "Alpenflage") patterns which it replaced in the early 1990s. Even so, the pattern is based on the alpenflage, but with the deletion of the white spots and the red colour found in the alpenflage, along with minor changes. It is planned to equip the Swiss Armed Forces with new