Tactic-dependent plasticity in ejaculate traits in the swordtail Xiphophorus nigrensis

@article{Smith2011TacticdependentPI,
  title={Tactic-dependent plasticity in ejaculate traits in the swordtail Xiphophorus nigrensis},
  author={C. C. Smith and M. Ryan},
  journal={Biology Letters},
  year={2011},
  volume={7},
  pages={733 - 735}
}
  • C. C. Smith, M. Ryan
  • Published 2011
  • Biology, Medicine
  • Biology Letters
  • In species with alternative reproductive tactics, males that sneak copulations often have larger, higher quality ejaculates relative to males that defend females or nest sites. Ejaculate traits can, however, exhibit substantial phenotypic plasticity depending on a male's mating role in sperm competition, which may depend on the tactic of his competitor. We tested whether exposure to males of different tactics affected sperm number and quality in the swordtail Xipophorus nigrensis, a species… CONTINUE READING
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