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Frequency-dependent survival in natural guppy populations

Author

Listed:
  • Robert Olendorf

    (School of Integrative Biology)

  • F. Helen Rodd

    (University of Toronto)

  • David Punzalan

    (University of Toronto)

  • Anne E. Houde

    (Lake Forest College)

  • Carla Hurt

    (Smithsonian Tropical Research Institute)

  • David N. Reznick

    (University of California)

  • Kimberly A. Hughes

    (School of Integrative Biology
    University of Illinois)

Abstract

Where the fish are greener? One of the trickiest problems in evolutionary biology is to explain how natural populations maintain an element of genetic diversity. Of all the proposed mechanisms, theory shows that frequency-dependent selection can be the most potent, yet there is only indirect evidence for its importance in natural populations. An experimental manipulation in natural populations of guppies now shows that there is a significant survival advantage for rare genotypes (exotic colouring in males) in natural populations of guppies. This is perhaps the best experimental evidence yet that frequency-dependent selection can be a potent mechanism maintaining genetic variation in natural populations.

Suggested Citation

  • Robert Olendorf & F. Helen Rodd & David Punzalan & Anne E. Houde & Carla Hurt & David N. Reznick & Kimberly A. Hughes, 2006. "Frequency-dependent survival in natural guppy populations," Nature, Nature, vol. 441(7093), pages 633-636, June.
    • Handle: RePEc:nat:nature:v:441:y:2006:i:7093:d:10.1038_nature04646
    DOI: 10.1038/nature04646
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    Cited by:

    1. Martina Magris & Gianluca Chimetto & Sofia Rizzi & Andrea Pilastro, 2018. "Quick-change artists: male guppies pay no cost to repeatedly adjust their sexual strategies," Behavioral Ecology, International Society for Behavioral Ecology, vol. 29(5), pages 1113-1123.
    2. Josephine R. Paris & James R. Whiting & Mitchel J. Daniel & Joan Ferrer Obiol & Paul J. Parsons & Mijke J. Zee & Christopher W. Wheat & Kimberly A. Hughes & Bonnie A. Fraser, 2022. "A large and diverse autosomal haplotype is associated with sex-linked colour polymorphism in the guppy," Nature Communications, Nature, vol. 13(1), pages 1-15, December.

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