Male fish use prior knowledge about rivals to adjust their mate
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چکیده
Supplementary data ml http://rsbl.royalsocietypublishing.org/content/suppl/2011/01/03/rsbl.2010.0982.DC1.ht "Data Supplement" References http://rsbl.royalsocietypublishing.org/content/7/3/349.full.html#ref-list-1 This article cites 21 articles, 8 of which can be accessed free Subject collections (2675 articles) evolution (2013 articles) behaviour Articles on similar topics can be found in the following collections Email alerting service here right-hand corner of the article or click Receive free email alerts when new articles cite this article sign up in the box at the top
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Male fish use prior knowledge about rivals to adjust their mate choice.
Mate choice as one element of sexual selection can be sensitive to public information from neighbouring individuals. Here, we demonstrate that males of the livebearing fish Poecilia mexicana gather complex social information when given a chance to familiarize themselves with rivals prior to mate choice. Focal males ceased to show mating preferences when being observed by a rival (which prevents...
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An increasing body of literature considers the question of how mate choice is influenced by the social environment of the choosing individual (non-independent mate choice). For example, individuals may copy the mate choice of others. A very simple form of socially influenced mate choice, however, remained comparatively little investigated: choosing individuals may adjust their mate choice to th...
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The social environment of animals strongly influences the mating preferences of both the choosing and the observing individuals. Notably, there is recent evidence that polygamous males decrease their selectivity when being observed by competitors in order to direct their rivals' attention away from their true interest and, consequently, reduce sperm competition risk. Yet, other mechanisms, whos...
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In species where females mate with multiple males, the sperm from these males must compete to fertilise available ova. Sexual selection from sperm competition is expected to favor opposing adaptations in males that function either in the avoidance of sperm competition (by guarding females from rival males) or in the engagement in sperm competition (by increased expenditure on the ejaculate). Th...
متن کاملCasanovas are liars: behavioral syndromes, sperm competition risk, and the evolution of deceptive male mating behavior in live-bearing fishes [version 1; referees: 3 approved with reservations]
Mate choice in many species is sensitive to social cues from neighboring individuals; for example, animals can copy mate choice decisions. If males copy other males’ choices, sperm of two or more males can compete for fertilization of the female’s ova. In the internally fertilizing fish Poecilia mexicana , males respond to the presence of rivals with reduced expression of mating preferences (au...
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