A test of the ‘challenge hypothesis’ in cichlid fish: simulated partner and territory intruder experiments

  title={A test of the ‘challenge hypothesis’ in cichlid fish: simulated partner and territory intruder experiments},
  author={Katharina Hirschenhauser and Michael Taborsky and T. A. Moura Oliveira and A. V. M. Canario and Rui F Oliveira},
  journal={Animal Behaviour},
In male birds, the responsiveness of androgens to sexual and territorial behaviour is predicted to vary with mating system and the degree of paternal investment (‘challenge hypothesis’, CH; Wingfield et al. 1990, American Naturalist, 136, 829–846). The CH predicts a higher and longer lasting ‘breeding baseline’ androgen level in males of polygynous species with no or only short-term paternal investment than in males of monogamous species with a high degree of paternal investment. Since the… CONTINUE READING


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