Sexually attractive traits predict predation-threat sensitivity of male alternative mating tactics DOI
Jean‐Guy J. Godin, Heather E McDonough, Thomas M. Houslay

et al.

Behavioral Ecology, Journal Year: 2023, Volume and Issue: unknown

Published: Nov. 14, 2023

Abstract Although visual sexual signals, such as ornamental colors and courtship displays, large body size in males are attractive to females numerous species, they may also inadvertently attract the attention of eavesdropping predators thus be costly terms increasing individual risk mortality predation. Theoretically, more color ornamented larger should predation threat sensitive suppress their signaling and(or) mating effort relatively than less smaller counterparts when under hazard. Here, we experimentally tested this hypothesis by quantifying concurrently rates alternative tactics (courtship sneak attempts) expressed male Trinidadian guppies (Poecilia reticulata) varying ornamentation a staged immediate Males suppressed overall response perceived threat, decreasing frequency (presumably conspicuous) displays significantly on average behavior. Statistically controlling for length, color-ornamented were but not attempts, hazard drabber males. Controlling coloration, exhibited lower efforts both treatments, length only influenced sensitivity These results consistent with asset protection principle highlight phenotype dependency adaptive plasticity risk.

Language: Английский

Sexually attractive traits predict predation-threat sensitivity of male alternative mating tactics DOI
Jean‐Guy J. Godin, Heather E McDonough, Thomas M. Houslay

et al.

Behavioral Ecology, Journal Year: 2023, Volume and Issue: unknown

Published: Nov. 14, 2023

Abstract Although visual sexual signals, such as ornamental colors and courtship displays, large body size in males are attractive to females numerous species, they may also inadvertently attract the attention of eavesdropping predators thus be costly terms increasing individual risk mortality predation. Theoretically, more color ornamented larger should predation threat sensitive suppress their signaling and(or) mating effort relatively than less smaller counterparts when under hazard. Here, we experimentally tested this hypothesis by quantifying concurrently rates alternative tactics (courtship sneak attempts) expressed male Trinidadian guppies (Poecilia reticulata) varying ornamentation a staged immediate Males suppressed overall response perceived threat, decreasing frequency (presumably conspicuous) displays significantly on average behavior. Statistically controlling for length, color-ornamented were but not attempts, hazard drabber males. Controlling coloration, exhibited lower efforts both treatments, length only influenced sensitivity These results consistent with asset protection principle highlight phenotype dependency adaptive plasticity risk.

Language: Английский

Citations

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