File:Blue mutant Podarcis muralis (21896066011).jpg

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Description Lizard coloration depends on the combined action of three layers of cells (chromatophores) in the outer dermis. Xantophores containing long-wavelentgh reflective pigments are localized superficially, then a layer of iridophores (with a structure of intracellular guanine platelets which produce structural colours through light scattering), and a final layer of melanophores absorbing all light unreflected or unabsorbed by the two previous layers. Blue coloration in lacertids may be produced by combined changes in xanthophores and melanophores. Xanthophores might contain few or no pigments (axanthism), allowing light to interact with the iridophores, and melanophores may be highly developed absorbing all waveleghts not reflected by the iridophores.
Date
Source Blue mutant Podarcis muralis
Author Javier Ábalos from Valencia, España

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attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by Javier Ábalos at https://flickr.com/photos/34133362@N00/21896066011. It was reviewed on 2 September 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

2 September 2020

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Date/TimeThumbnailDimensionsUserComment
current23:43, 2 September 2020Thumbnail for version as of 23:43, 2 September 20205,184 × 3,456 (10.46 MB)RTG (talk | contribs)Transferred from Flickr via #flickr2commons

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