Social stimulation, nuptial colouration, androgens and immunocompetence in a sexual dimorphic cichlid fish

@article{Dijkstra2006SocialSN,
  title={Social stimulation, nuptial colouration, androgens and immunocompetence in a sexual dimorphic cichlid fish},
  author={Peter D Dijkstra and Renske Hekman and R{\"u}diger Winfried Schulz and Ton G G Groothuis},
  journal={Behavioral Ecology and Sociobiology},
  year={2006},
  volume={61},
  pages={599-609}
}
The nature of the costs maintaining honesty of sexual signalling in inter- and intrasexual interactions remains a contentious issue. For carotenoid-based colour ornaments, it has been hypothesized that the honesty of the signal is enforced when carotenoid allocation to colour expression is traded off against carotenoid availability for immunocompetence. In addition, honesty is enforced if androgens required for colour expression are immunosuppressive. We tested whether there is a trade-off… CONTINUE READING
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Sexual selection

  • M Andersson
  • 1994
Highly Influential
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