Antipredator decisions of male Trinidadian guppies (Poecilia reticulata) depend on social cues from females.

IF 2 2区 生物学 Q2 ZOOLOGY
Current Zoology Pub Date : 2024-08-07 eCollection Date: 2025-04-01 DOI:10.1093/cz/zoae040
Alix J P Brusseau, Laurence E A Feyten, Adam L Crane, Indar W Ramnarine, Maud C O Ferrari, Grant E Brown
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Abstract

Many prey species rely on publicly available personal and social information regarding local predation threats to assess risks and make context-appropriate behavioral decisions. However, in sexually dimorphic species, males and females are expected to differ in the perceived costs and/or benefits associated with predator avoidance decisions. Recent studies suggest that male Trinidadian guppies (Poecilia reticulata) show reduced or absent responses to acute personal information cues, placing them at greater risk of predation relative to females. Our goal here was to test the hypothesis that adult (reproductively active) male guppies rely on social information to limit potential costs associated with their lack of response to risky personal cues. Adult male guppies were exposed to personal chemosensory cues (either conspecific alarm cues (AC), a novel odor, or a water control) in the presence of a shoal of three females inside a holding container that allowed the transmission of visual but not chemical cues. At the same time, we exposed females to either risk from AC or no risk, resulting in the display of a range of female behavior, from calm to alarmed, available as social information for males. Alarmed females caused male fright activity to increase and male interest in females to decrease, regardless of the personal cue treatment. These results indicate that male guppies rely more on female information regarding predation risk than their own personal information, probably to balance trade-offs between reproduction and predator avoidance.

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雄性特立尼达孔雀鱼(Poecilia reticulata)的反捕食者决策依赖于雌性的社会暗示。
许多被捕食物种依赖于关于当地捕食威胁的公开的个人和社会信息来评估风险并做出适合环境的行为决策。然而,在两性异形物种中,雄性和雌性在与捕食者回避决策相关的感知成本和/或收益方面预计会有所不同。最近的研究表明,雄性特立尼达孔雀鱼(Poecilia reticulata)对尖锐的个人信息线索的反应减少或缺失,使它们相对于雌性面临更大的被捕食风险。我们在这里的目的是验证一个假设,即成年(繁殖活跃的)雄性孔雀鱼依靠社会信息来限制与它们对危险的个人暗示缺乏反应相关的潜在成本。成年雄性孔雀鱼被暴露在个人化学感觉线索(同向警报线索(AC),一种新的气味,或水控制),在一个容纳三只雌性的容器中,允许视觉而不是化学线索的传播。与此同时,我们将雌性暴露在有AC风险或没有风险的环境中,结果显示雌性表现出一系列行为,从平静到惊慌,作为雄性的社会信息。受到惊吓的雌性会增加雄性的惊吓活动,而雄性对雌性的兴趣则会降低,无论个人的暗示处理如何。这些结果表明,雄性孔雀鱼更依赖于雌性关于捕食风险的信息,而不是自己的个人信息,可能是为了平衡繁殖和躲避捕食者之间的平衡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Current Zoology
Current Zoology Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
3.20
自引率
9.10%
发文量
111
审稿时长
6 weeks
期刊介绍: About the Journal Current Zoology (formerly Acta Zoologica Sinica, founded in 1935) is an open access, bimonthly, peer-reviewed international journal of zoology. It publishes review articles and research papers in the fields of ecology, evolution and behaviour. Current Zoology is sponsored by Institute of Zoology, Chinese Academy of Sciences, along with the China Zoological Society.
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