Dimorphic male squid show differential gonadal and ejaculate expenditure

@article{Apostlico2017DimorphicMS,
  title={Dimorphic male squid show differential gonadal and ejaculate expenditure},
  author={L{\'i}gia H Apost{\'o}lico and Jos{\'e} Eduardo A R Marian},
  journal={Hydrobiologia},
  year={2017},
  volume={808},
  pages={5-22}
}
Under intense sexual selection, males less successful in fighting and mate guarding often adopt alternative reproductive tactics. In many species, males employing alternative tactics show not only behavioral differences, but also divergences in morphology and physiology, a phenomenon called intrasexual male dimorphism. Herein, we investigated intrasexual male dimorphism in the loliginid squid Doryteuthis plei, associated with alternative mating tactics. We show that small males (sneakers) have… CONTINUE READING

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