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Adaptive colouration in amphibians
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology.ORCID iD: 0000-0002-1178-4053
2013 (English)In: Seminars in Cell and Developmental Biology, ISSN 1084-9521, E-ISSN 1096-3634, Vol. 24, no 6-7, 553-561 p.Article, review/survey (Refereed) Published
Abstract [en]

Amphibians, i.e. salamanders, frogs and caecilians show a wide range of bright colours in combination with contrasting patterns. There is variation among species, populations and also within species and populations. Furthermore, individuals often change colours during developmental stages or in response to environmental factors. This extraordinary variation means that there are excellent opportunities to test hypotheses of the adaptive significance of colours using amphibian species as models. We review the present view of functions of colouration in amphibians with the main focus on relatively unexplored topics. Variation in colouration has been found to play a role in thermoregulation, UV protection, predator avoidance and sexual signalling. However, many proposed cases of adaptive functions of colouration in amphibians remain virtually scientifically unexplored and surprisingly few genes influencing pigmentation or patterning have been detected. We would like to especially encourage more studies that take advantage of recent developments in measurement of visual properties of several possible signalling receivers (e. g. predators, competitors or mates). Future investigations on interactions between behaviour, ecology and vision have the potential to challenge our current view of the adaptive function of colouration in amphibians. 

Place, publisher, year, edition, pages
2013. Vol. 24, no 6-7, 553-561 p.
Keyword [en]
Pigmentation, Natural selection, Sexual selection, Adaptation, Colour vision
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-208215DOI: 10.1016/j.semcdb.2013.05.004ISI: 000323611400005OAI: oai:DiVA.org:uu-208215DiVA: diva2:651310
Available from: 2013-09-25 Created: 2013-09-25 Last updated: 2017-12-06Bibliographically approved

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Qvarnström, Anna

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