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Male and female mate choice affects offspring quality in a sex-role-reversed pipefish
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Evolution, Animal Ecology.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Evolution, Animal Ecology.
2000 (English)In: Proceedings of the Royal Society of London. Biological Sciences, ISSN 0962-8452, E-ISSN 1471-2954, Vol. 267, no 1458, 2151-2155 p.Article in journal (Refereed) Published
Abstract [en]

Where both sexes invest substantially in offspring, both females and males should discriminate between potential partners when choosing mates. The degree of choosiness should relate to the costs of choice and to the potential benefits to be gained. We measured offspring quality from experimentally staged matings with preferred and non–preferred partners in a sex–role–reversed pipefish, Syngnathus typhle L. Here, a substantial male investment in offspring results in a lower potential reproductive rate in males than in females, and access to males limits female reproductive success rather than vice versa. Thus, males are choosier than females and females compete more intensely over mates than do males. Broods from preferred matings were superior at escaping predation, when either males or females were allowed to choose a partner. However, only ‘choosing’ females benefited in terms of faster–growing offspring. Our results have important implications for mate–choice research: here we show that even the more competitive and less choosy sex may contribute significantly to sexual selection through mate choice.

Place, publisher, year, edition, pages
Royal Soc London , 2000. Vol. 267, no 1458, 2151-2155 p.
Keyword [en]
sexual selection, mutual mate choice, sex-role reversal, choosiness, offspring quality, reproductive success, poecilia-reticulata, syngnathus-typhle, selection, ornamentation, choosiness, benefits, fitness, search, growth
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-38166DOI: 10.1098/rspb.2000.1262OAI: oai:DiVA.org:uu-38166DiVA: diva2:66065
Note
Addresses: Sandvik M, Uppsala Univ, Evolutionary Biol Ctr, Dept Anim Ecol, Norbyvagen 18 D, SE-75236 Uppsala, Sweden. Uppsala Univ, Evolutionary Biol Ctr, Dept Anim Ecol, SE-75236 Uppsala, Sweden. Norwegian Univ Sci & Technol, Dept Zool, N-7491 Trondheim,Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-06Bibliographically approved

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Publisher's full texthttp://rspb.royalsocietypublishing.org/content/267/1458/2151.abstract

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Berglund, Anders

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