Male pipefish prefer dominant over attractive females
Identifieur interne : 008961 ( Main/Exploration ); précédent : 008960; suivant : 008962Male pipefish prefer dominant over attractive females
Auteurs : Anders Berglund [Suède] ; Gunilla Rosenqvist [Norvège]Source :
- Behavioral Ecology [ 1045-2249 ] ; 2001-07.
English descriptors
- KwdEn :
- Anim behav berglund, Aquarium, Attraction display, Attraction displays, Attractive displays, Behav, Behav ecol sociobiol berglund, Behavioral ecology, Berglund, Bernet, Brood pouch, Brown females, Brown males, Choice index, Competition duration, Competitive ability, Competitive displays, Competitive interactions, Cowbird song, Dancing duration, Direct observations, Dominant females, Dominant males, Ecol, Female choice, Female ornaments, Female pair, Green females, High quality females, Indirect mate choice, Intense competition, Linear regression line, Male choice, Male competition, Male mate choice, Males mating, Maria sandvik, Mate choice, Mate choice experiment, Mating competition, Opaque divider, Ornament, Ornament display, Ornament display duration, Other females, Risky behaviors, Rosenqvist, Same result, Same signal, Sexual selection, Shorter time, Sociobiol, Syngnathus typhle, Temporary ornament, Total time, Typhle, Wilcoxon test, mate choice, mate competition, ornament, pipefish, sexual selection, signal honesty.
- Teeft :
- Anim behav berglund, Aquarium, Attraction display, Attraction displays, Attractive displays, Behav, Behav ecol sociobiol berglund, Behavioral ecology, Berglund, Bernet, Brood pouch, Brown females, Brown males, Choice index, Competition duration, Competitive ability, Competitive displays, Competitive interactions, Cowbird song, Dancing duration, Direct observations, Dominant females, Dominant males, Ecol, Female choice, Female ornaments, Female pair, Green females, High quality females, Indirect mate choice, Intense competition, Linear regression line, Male choice, Male competition, Male mate choice, Males mating, Maria sandvik, Mate choice, Mate choice experiment, Mating competition, Opaque divider, Ornament, Ornament display, Ornament display duration, Other females, Risky behaviors, Rosenqvist, Same result, Same signal, Sexual selection, Shorter time, Sociobiol, Syngnathus typhle, Temporary ornament, Total time, Typhle, Wilcoxon test.
Abstract
Animals may obtain information guiding their choice between potential partners from observing competitive interactions and displays between them, or from displays directed at the choosing individual. In the sex-role reversed pipefish Syngnathus typhle females display a temporary ornament (a color pattern) to other females as well as to males. We have previously shown that display of female ornaments per se is attractive to males. Here we show that information from competitive displays can override such direct attraction displays as signals in the partner choice process. In a mate choice experiment, an enclosed male could choose between two females. On the first experimental day, females could interact freely, while on the second day they were isolated from each other. When female-female competition was allowed, the ornament display was directed more to the other female than to the male: Time competing, rather than time courting the male, correlated with ornament display duration. However, ornament display under competition and ornament display in the absence of competition did not correlate significantly. In fact, females competing more intensively on day one displayed the ornament less on day two. Furthermore, the ornament display during the first, but not the second, day predicted male mate choice on the second day. Thus, males remembered previous information from competitive displays and used it rather than immediate information from displays in the absence of female-female competition. We suggest that competitive displays more reliably signal female quality as compared to noncompetitive ones, and that males benefit from mating with dominant females.
Url:
DOI: 10.1093/beheco/12.4.402
Affiliations:
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Le document en format XML
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<term>Behav ecol sociobiol berglund</term>
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<term>Dominant females</term>
<term>Dominant males</term>
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<term>High quality females</term>
<term>Indirect mate choice</term>
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<term>Linear regression line</term>
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<term>Male mate choice</term>
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<term>Female ornaments</term>
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<front><div type="abstract" xml:lang="en">Animals may obtain information guiding their choice between potential partners from observing competitive interactions and displays between them, or from displays directed at the choosing individual. In the sex-role reversed pipefish Syngnathus typhle females display a temporary ornament (a color pattern) to other females as well as to males. We have previously shown that display of female ornaments per se is attractive to males. Here we show that information from competitive displays can override such direct attraction displays as signals in the partner choice process. In a mate choice experiment, an enclosed male could choose between two females. On the first experimental day, females could interact freely, while on the second day they were isolated from each other. When female-female competition was allowed, the ornament display was directed more to the other female than to the male: Time competing, rather than time courting the male, correlated with ornament display duration. However, ornament display under competition and ornament display in the absence of competition did not correlate significantly. In fact, females competing more intensively on day one displayed the ornament less on day two. Furthermore, the ornament display during the first, but not the second, day predicted male mate choice on the second day. Thus, males remembered previous information from competitive displays and used it rather than immediate information from displays in the absence of female-female competition. We suggest that competitive displays more reliably signal female quality as compared to noncompetitive ones, and that males benefit from mating with dominant females.</div>
</front>
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