Please use this identifier to cite or link to this item: https://doi.org/10.1111/bij.12039
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dc.titleColour change and camouflage in the horned ghost crab Ocypode ceratophthalmus
dc.contributor.authorStevens, M.
dc.contributor.authorRong, C.P.
dc.contributor.authorTodd, P.A.
dc.date.accessioned2014-10-27T08:24:12Z
dc.date.available2014-10-27T08:24:12Z
dc.date.issued2013-06
dc.identifier.citationStevens, M., Rong, C.P., Todd, P.A. (2013-06). Colour change and camouflage in the horned ghost crab Ocypode ceratophthalmus. Biological Journal of the Linnean Society 109 (2) : 257-270. ScholarBank@NUS Repository. https://doi.org/10.1111/bij.12039
dc.identifier.issn00244066
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/100295
dc.description.abstractSpecies that change colour present an ideal opportunity to study the control and tuning of camouflage with regards to the background. However, most research on colour-pattern change and camouflage has been undertaken with species that rapidly alter appearance (in seconds), despite the fact that most species change appearance over longer time periods (e.g. minutes, hours, or days). We investigated whether individuals of the horned ghost crab (Ocypode ceratophthalmus) from Singapore can change colour, when this occurs, and how it influences camouflage. Individuals showed a clear daily rhythm of colour change, becoming lighter during the day and darker at night, and this significantly improved their camouflage to the sand substrate upon which they live. Individuals did not change colour when put into dark conditions, but they did become brighter when placed on a white versus a black substrate. Our findings show that ghost crabs have a circadian rhythm of colour change mediating camouflage, which is fine-tuned by adaptation to the background brightness. These types of colour change can enable individuals to achieve effective camouflage under a range of environmental conditions, substrates, and time periods, and may be widespread in other species. © 2013 The Linnean Society of London.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1111/bij.12039
dc.sourceScopus
dc.subjectCamouflage
dc.subjectCircadian rhythm
dc.subjectColour change
dc.subjectCrabs
dc.subjectPredation
dc.typeArticle
dc.contributor.departmentBIOLOGICAL SCIENCES
dc.description.doi10.1111/bij.12039
dc.description.sourcetitleBiological Journal of the Linnean Society
dc.description.volume109
dc.description.issue2
dc.description.page257-270
dc.description.codenBJLSB
dc.identifier.isiut000318809500001
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