Counter-illumination is a method of active camouflage seen in marine animals such as firefly squid and midshipman fish, and in military prototypes, producing...
24 KB (2,579 words) - 02:39, 11 June 2025
Active camouflage (section Counter-illumination)
marine animals such as squid) by counter-illumination, with the use of bioluminescence. Military counter-illumination camouflage was first investigated...
20 KB (1,757 words) - 04:35, 18 June 2025
Countershading (redirect from Counter shading)
counter-illumination, adds the creation of light by bioluminescence or lamps to match the actual brightness of a background. Counter-illumination camouflage...
37 KB (4,249 words) - 00:43, 24 May 2025
Camouflage (section Counter-illumination)
while the ability to produce light is among other things used for counter-illumination on the undersides of cephalopods such as squid. Some animals, such...
123 KB (13,526 words) - 07:00, 24 June 2025
signalling. Some species are bioluminescent, using their light for counter-illumination camouflage, while many species can eject a cloud of ink to distract...
68 KB (6,931 words) - 19:43, 14 June 2025
Yehudi lights (category Counter-illumination camouflage)
average brightness of the sky, a form of active camouflage using counter-illumination. They were designed to camouflage the aircraft by preventing it from...
17 KB (1,783 words) - 00:35, 15 March 2025
viewed from below in dim light. The bioluminescence produced provides counter-illumination, a form of camouflage, which helps to break up the squid's outline...
5 KB (643 words) - 03:24, 3 December 2023
for ventral counter-illumination. Etmopteridae possess more complex photophores and utilize bioluminescence for ventral counter illumination as well as...
14 KB (892 words) - 13:23, 20 March 2025
Navy counter-illumination system for ships List of conspiracy theories Montauk Project Yehudi lights, a prototype US Navy counter-illumination system...
31 KB (3,447 words) - 20:07, 25 May 2025
Underwater camouflage (section Counter-illumination)
cuttlefish, have multi-layer mirrors made of protein rather than guanine. Counter-illumination through bioluminescence on the underside (ventral region) of the...
24 KB (2,792 words) - 15:27, 28 August 2024
Bioluminescence (category Counter-illumination camouflage)
and communication that is prevalent in the pelagic zone such as counter-illumination may not be functional or relevant in the benthic realm. Bioluminescence...
76 KB (8,249 words) - 20:03, 22 May 2025
henshō; K. panjo), also translated as “tracing back the radiance,” or “counter-illumination,” is a Zen Buddhist expression referring to turning attention from...
22 KB (2,946 words) - 15:39, 19 June 2025
During and after World War II, the Yehudi lights project developed counter-illumination camouflage using lamps to increase the brightness of the aircraft...
39 KB (4,365 words) - 13:30, 4 May 2025
War, the Royal Canadian Navy trialled a form of active camouflage, counter-illumination, using diffused lighting to prevent ships from appearing as dark...
80 KB (8,251 words) - 20:53, 4 May 2025
camouflage, is by countershading in the case of epipelagic fish and by counter-illumination in the case of mesopelagic fish. Countershading is achieved by colouring...
66 KB (7,937 words) - 20:34, 19 May 2025
camouflage project, the Royal Canadian Navy experimented with variable counter-illumination camouflage to match horizon light levels and minimize ships' silhouettes...
43 KB (5,018 words) - 12:37, 25 May 2025
Multi-spectral camouflage is the use of counter-surveillance techniques to conceal objects from detection across several parts of the electromagnetic...
11 KB (885 words) - 22:12, 13 February 2025
Albinism Animal coloration Aposematism Camouflage Chromatophore Counter-illumination Countershading Crypsis Deimatic behaviour Disruptive coloration coincident...
19 KB (2,337 words) - 15:40, 26 May 2025
night falls. It uses its abilities to sense and produce light for counter-illumination camouflage: it matches the brightness and colour of its underside...
25 KB (2,807 words) - 11:13, 26 May 2025
idea was dropped. Diffused lighting camouflage, a shipborne form of counter-illumination camouflage, was trialled by the Royal Canadian Navy from 1941 to...
63 KB (7,282 words) - 03:53, 17 June 2025
the amount of light hitting the top of the mantle. This method of counter-illumination is an example of animal camouflage. The organ contains filters which...
5 KB (522 words) - 02:12, 10 August 2024
Diffused lighting camouflage (category Counter-illumination camouflage)
Diffused lighting camouflage was a form of active camouflage using counter-illumination to enable a ship to match its background, the night sky, that was...
20 KB (2,190 words) - 10:07, 12 February 2024
relatives have bioluminescent photophores. The latter allow them to use counter-illumination to escape predators that lurk in the depths: by matching the light...
6 KB (591 words) - 00:45, 16 November 2024
by predators, aiding survival. This type of camouflage is called counter-illumination. The presence of photo-microbes in the visceral organs of Chauliodus...
18 KB (2,042 words) - 21:32, 11 May 2025
mainly uses its photophores for two purposes: counter-illumination and concealing prey. In counter-illumination, the squid produces blue light from its photophores...
14 KB (1,609 words) - 13:24, 10 June 2025
background is brighter than is possible even with white pigment, counter-illumination in marine animals, such as squid, can use light to match the background...
14 KB (1,385 words) - 04:07, 2 June 2025
effectively masking the squid's silhouette from predators below. This counter-illumination strategy is a sophisticated form of camouflage in the mesopelagic...
16 KB (1,584 words) - 04:04, 28 May 2025
invention, diffused lighting camouflage. This used dimmable lamps for counter-illumination, camouflage by bringing the brightness of the ship's superstructure...
9 KB (484 words) - 17:54, 23 June 2024
include mating, social interaction or orientation and as a form of counter-illumination camouflage to compensate their shadow against overhead ambient light...
67 KB (6,541 words) - 20:56, 11 June 2025
the area of their shadow by lateral compression of the body, and counter illumination via bioluminescence. This is achieved by production of light from...
35 KB (4,082 words) - 13:45, 22 May 2025