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The variable colours of the fiddler crab Uca vomeris and their relation to background and predation

Hemmi, Jan; Marshall, Justin Nicholas; Pix, Waltraud; Vorobyev, Misha; Zeil, Jochen


Colour changes in fiddler crabs have long been noted, but a functional interpretation is still lacking. Here we report that neighbouring populations of Uca vomeris in Australia exhibit different degrees of carapace colours, which range from dull mottled to brilliant blue and white. We determined the spectral characteristics of the mud substratum and of the carapace colours of U. vomeris and found that the mottled colours of crabs are cryptic against this background, while display colours...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Journal of Experimental Biology
DOI: 10.1242/jeb.02483


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