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
Camouflage to the Utopian Arcadia of poetry and art, and the "memento mori" Latin phrase "Et in Arcadia ego" which recurs in Hamilton Finlay's work. In science fiction, "Camouflage" is a novel about shapeshifting alien beings by Joe Haldeman. The word is used more figuratively in works of literature such as Thaisa Frank's collection of stories of love and loss, "A Brief History of Camouflage". Camouflage Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see (crypsis), or by disguising them as something else (mimesis). Examples include the