Do the fastest sperm within an ejaculate swim faster in subordinate than in dominant males of Arctic char?

• Published in: Canadian Journal of Zoology
• Main Authors: Vaz Serrano, Jonathan, Folstad, Ivar, Rudolfsen, Geir, Figenschou, Lars
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2006
• Subjects: VDP::Mathematics and natural science: 400::Zoology and botany: 480::Ethology: 485; VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480::Etologi: 485; VDP::Mathematics and natural science: 400::Zoology and botany: 480::Ecology: 488; VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480::Økologi: 488; Arctic; Chevalier; Salvelinus alpinus
• Online Access: https://hdl.handle.net/10037/4789; https://doi.org/10.1139/z06-097

Theoretical models predict that subordinate males should have higher sperm velocity to compensate for their disadvantaged mating role and because they experience sperm competition more frequently than dominant males. Differences in mean velocity between sperm of dominants and subordinates in the pre...