Article
Fear, food and sexual ornamentation: plasticity of colour development in Trinidadian guppies.
Proceedings. Biological sciences - 7 May 2013
Ruell E W, Handelsman C A, Hawkins C L, Sofaer H R, Ghalambor C K, Angeloni L
Abstract excerpt
The evolution of male ornamentation often reflects compromises between sexual and natural selection, but it may also be influenced by phenotypic plasticity. We investigated the developmental plasticity of male colour ornamentation in Trinidadian guppies in response to two environmental variables that covary in nature: predation risk and food availability. We found that exposure to chemical predator cues delayed...
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