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Male guppies change courtship behaviour in response to their own quality relative to that of a rival male

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Title: Male guppies change courtship behaviour in response to their own quality relative to that of a rival male
Authors: Yoshikawa, Takashi Browse this author
Ohkubo, Yusaku Browse this author
Karino, Kenji Browse this author
Hasegawa, Eisuke Browse this author →KAKEN DB
Keywords: female preference
male preference
mate choice
sexual selection
Issue Date: Aug-2016
Publisher: Elsevier
Journal Title: Animal behaviour
Volume: 118
Start Page: 33
End Page: 37
Publisher DOI: 10.1016/j.anbehav.2016.05.022
Abstract: Compared with female mate choice, male mate choice has been an important but minor topic in the past two decades. In the guppy, Poecilia reticulata, a male approaching a female abandons his courtship when a rival male appears next to the focal female; however, the effect of the relative quality of the males on this behavioural change is unknown. We show here that male guppies abandon their approach to a female only when the rival male is phenotypically superior. Both natural and artificially induced brightly coloured males continued to approach a female even when the rival male was brightly coloured, but both natural and induced dull-coloured males abandoned their approach to a female when the rival was brightly coloured. Males decided their behaviours on the basis of their own appearance, not on their genotypes, because artificially induced brightly and dull- coloured brothers differed in their behaviour. Our results show that male mate choice behaviour is finely tuned to maximize the probability of acceptance by the approached female. (C) 2016 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. All rights reserved.
Rights: © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 英祐

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