Testis size variation within sneaker males of the dusky frillgoby Bathygobius fuscus (Gobiidae): effects of within-tactic competition

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Kawase, Shoma; Hayashi, Takahiro; Matsumoto, Yukio; Takegaki, Takeshi;
  • Publisher: Oxford University Press
  • Journal: Biological Journal of the Linnean Society,volume 122,issue 2,pages394-399 (issn: 0024-4066)
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  • Subject: alternative reproductive tactics | goby | sneaking | sperm competition | testis

A ‘sneaking tactic’ is an alternative reproductive strategy that usually results in sperm competition among males with different tactics. Relatively large testes are a sneaker-specific trait that has generally been thought to have evolved due to sperm competition betwee... View more
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