Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
Conspicuous body colours and colour polymorphism have been hypothesized to increase rates of speciation. Conspicuous colours are evolutionary labile, and often involved in intraspecific sexual signalling and thus may provide a raw material from which reproductive isolation can easily evolve, while p...
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2023-11-01
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| Online Access: | https://peercommunityjournal.org/articles/10.24072/pcjournal.345/ |
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| author | de Solan, Thomas Sinervo, Barry Geniez, Philippe David, Patrice Crochet, Pierre-André |
| author_facet | de Solan, Thomas Sinervo, Barry Geniez, Philippe David, Patrice Crochet, Pierre-André |
| author_sort | de Solan, Thomas |
| collection | DOAJ |
| description | Conspicuous body colours and colour polymorphism have been hypothesized to increase rates of speciation. Conspicuous colours are evolutionary labile, and often involved in intraspecific sexual signalling and thus may provide a raw material from which reproductive isolation can easily evolve, while polymorphism could favour rapid evolution of new lineages through morphic speciation. Here, we investigated the influence of the presence/absence of conspicuous colourations, and of colour polymorphism on the speciation of Lacertids. We used several state-dependent diversification models, and showed that, regardless of the methods, conspicuous colourations and colour polymorphism were not related to species speciation. While the lack of correlation between conspicuous colourations and speciation rates is in line with most of the literature testing this hypothesis, the results for colour polymorphism contradict previous studies, and question the generality of the morphic speciation hypothesis.
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| format | Article |
| id | doaj-art-3f87973f2ff24f0aa7b621fb5b3a0c3b |
| institution | Kabale University |
| issn | 2804-3871 |
| language | English |
| publishDate | 2023-11-01 |
| publisher | Peer Community In |
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| series | Peer Community Journal |
| spelling | doaj-art-3f87973f2ff24f0aa7b621fb5b3a0c3b2025-02-07T10:16:48ZengPeer Community InPeer Community Journal2804-38712023-11-01310.24072/pcjournal.34510.24072/pcjournal.345Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids de Solan, Thomas0Sinervo, Barry1https://orcid.org/0000-0002-9241-1821Geniez, Philippe2David, Patrice3https://orcid.org/0000-0003-4588-990XCrochet, Pierre-André4https://orcid.org/0000-0002-0422-3960CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, FranceDepartment of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA, United States of AmericaCEFE, Univ Montpellier, CNRS, EPHE-PSL, IRD, Biogéographie et Ecologie des Vertébrés, Montpellier, FranceCEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, FranceCEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, FranceConspicuous body colours and colour polymorphism have been hypothesized to increase rates of speciation. Conspicuous colours are evolutionary labile, and often involved in intraspecific sexual signalling and thus may provide a raw material from which reproductive isolation can easily evolve, while polymorphism could favour rapid evolution of new lineages through morphic speciation. Here, we investigated the influence of the presence/absence of conspicuous colourations, and of colour polymorphism on the speciation of Lacertids. We used several state-dependent diversification models, and showed that, regardless of the methods, conspicuous colourations and colour polymorphism were not related to species speciation. While the lack of correlation between conspicuous colourations and speciation rates is in line with most of the literature testing this hypothesis, the results for colour polymorphism contradict previous studies, and question the generality of the morphic speciation hypothesis. https://peercommunityjournal.org/articles/10.24072/pcjournal.345/colourationsexual selectionpolymorphismspeciationreptiles |
| spellingShingle | de Solan, Thomas Sinervo, Barry Geniez, Philippe David, Patrice Crochet, Pierre-André Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids Peer Community Journal colouration sexual selection polymorphism speciation reptiles |
| title | Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
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| title_full | Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
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| title_fullStr | Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
|
| title_full_unstemmed | Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
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| title_short | Colour polymorphism and conspicuousness do not increase speciation rates in Lacertids
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| title_sort | colour polymorphism and conspicuousness do not increase speciation rates in lacertids |
| topic | colouration sexual selection polymorphism speciation reptiles |
| url | https://peercommunityjournal.org/articles/10.24072/pcjournal.345/ |
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