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Evolutionary variation in the expression of phenotypically plastic color vision in Caribbean mantis shrimps, genus Neogonodactylus
(Springer Berlin Heidelberg, 2006-03-07)Many animals have color vision systems that are well suited to their local environments. Changes in color vision can occur over long periods (evolutionary time), or over relatively short periods such as during development. ... -
Using Spectral Data To Reconstruct Evolutionary Changes In Coloration: Carotenoid Color Evolution In New World Orioles
(John Wiley & Sons, 2007-05-08)Carotenoid‐based colors are thought to play an important signaling role in many animal taxa. However, little is known about evolutionary changes in carotenoid coloration, especially among closely related species. We used ... -
Quick guide Stomatopods
(Elsevier B.V, 2006-04-04) -
Photochemistry of retinal chromophore in mouse melanopsin
(National Academy of Sciences, 2008-06-25)In mammals, melanopsin is exclusively expressed in intrinsically photosensitive retinal ganglion cells (ipRGCs), which play an important role in circadian photoentrainment and other nonimage-forming functions. These ipRGCs ... -
Head-bobbing behavior in foraging whooping cranes favors visual fixation
(Elsevier B.V., 2005-04-12) -
Circular Polarization Vision in a Stomatopod Crustacean
(Elsevier B.V, 2008-03-25)We describe the addition of a fourth visual modality in the animal kingdom, the perception of circular polarized light. Animals are sensitive to various characteristics of light, such as intensity, color, and linear ... -
Transmission of linearly polarized light in seawater: implications for polarization signaling
(The Company of Biologists Ltd, 2004-07-12)Partially linearly polarized light is abundant in the oceans. The natural light field is partially polarized throughout the photic range, and some objects and animals produce a polarization pattern of their own. Many ... -
Spectral sensitivity of four species of fiddler crabs (Uca pugnax, Uca pugilator, Uca vomeris and Uca tangeri) measured by in situ microspectrophotometry
(The Company of Biologists Ltd, 2007-01-17)Fiddler crabs have compound eyes that are structurally fairly well understood. However, there has been much debate regarding their spectral sensitivity and capacity to enable colour discrimination. We examined the ... -
Spectral and spatial properties of polarized light reflections from the arms of squid (Loligo pealeii) and cuttlefish (Sepia officinalis L.)
(The Company of Biologists Ltd, 2007-07-16)On every arm of cuttlefish and squid there is a stripe of high-reflectance iridophores that reflects highly polarized light. Since cephalopods possess polarization vision, it has been hypothesized that these polarized ... -
Polarization signals in mantis shrimps
(SPIE, 2009-08-11)While color signals are well known as a form of animal communication, a number of animals communicate using signals based on patterns of polarized light reflected from specialized body parts or structures. Mantis shrimps, ... -
Light habitats and the role of polarized iridescence in the sensory ecology of neotropical nymphalid butterflies (Lepidoptera: Nymphalidae)
(The Company of Biologists Ltd, 2007-02-12)The exploitation of polarized light may increase perceived visual contrast independent of spectrum and intensity and thus have adaptive value in forest habitats, where illumination varies greatly in brightness and spectral ... -
Learning in Stomatopod Crustaceans
(International Society for Comparative Psychology, 2006-12-31)The stomatopod crustaceans, or mantis shrimps, are marine predators that stalk or ambush prey and that have complex intraspecific communication behavior. Their active lifestyles, means of predation, and intricate displays ... -
Interspecific and intraspecific views of color signals in the strawberry poison frog Dendrobates pumilio
(The Company of Biologists Ltd, 2004-04-21)Poison frogs in the anuran family Dendrobatidae use bright colors on their bodies to advertise toxicity. The species Dendrobates pumilio Schmidt 1858, the strawberry poison frog, shows extreme polymorphism in color and ... -
Adaptive signaling behavior in stomatopods under varying light conditions
(Taylor and Francis Online, 2009-09-07)Stomatopod crustaceans (mantis shrimp) are aggressive benthic marine predators with extraordinary color vision. When communicating with conspecifics, many stomatopods display conspicuously colored body areas, often in ... -
Polarization patterns of the twilight sky
(SPIE, 2005-08-18)Although natural light sources produce depolarized light, patterns of partially linearly polarized light appear in the sky due to scattering from air molecules, dust, and aerosols. Many animals, including bees and ants, ... -
Fine structure and optical properties of biological polarizers in crustaceans and cephalopods
(SPIE, 2008-03-24)The lighting of the underwater environment is constantly changing due to attenuation by water, scattering by suspended particles, as well as the refraction and reflection caused by the surface waves. These factors pose a ... -
Biological properties of coral GFP-type proteins provide clues for engineering novel optical probes and biosensors
(SPIE, 2004-06-14)In recent years, a variety of Green Fluorescent Protein (GFP)-like pigments have been discovered from corals and other marine organisms. They are widely used to expand the range of available GFP-type proteins in imaging ... -
Biological polarized light reflectors in stomatopod crustaceans
(SPIE, 2005-09-10)Body parts that can reflect highly polarized light have been found in several species of stomatopod crustaceans (mantis shrimps). These polarized light reflectors can be grossly divided into two major types. The first ... -
Neural network cloud retrievals from POLDER
(Copernicus Publications on behalf of the European Geosciences Union, 2019-03-18)This paper describes a neural network algorithm for the estimation of liquid water cloud optical properties from the Polarization and Directionality of Earth’s Reflectances-3 (POLDER-3) instrument aboard the Polarization ... -
Plasmon-exciton coupling
(De Gruyter, 2019-03-15)
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