About: Male coloration signals direct benefits in the European bitterling (Rhodeus amarus)     Goto   Sponge   NotDistinct   Permalink

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  • Female mating preferences are frequently associated with exaggerated male sexual traits. In the European bitterling, Rhodeus amarus, a fish with a resource-based mating system, male coloration is not associated with indirect genetic benefits of female mate choice, and does not reliably signal spawning site quality. We tested a link between the extent of male carotenoid-based coloration and testis size and number of spermatozoa stripped from the testes. Male body size predicted spermatozoa number, but less reliably than the extent of male coloration. Male color was a highly significant predictor of spermatozoa number, with approximately 26% of variance in the number of spermatozoa stripped from males predicted from male color after controlling for male body size. Body size, but not coloration, predicted teste size. Female bitterling often risk sperm limitation, especially during pair spawnings, and male nuptial coloration may be under direct selection through female mate choice as a signal of male fertilization efficiency.
  • Female mating preferences are frequently associated with exaggerated male sexual traits. In the European bitterling, Rhodeus amarus, a fish with a resource-based mating system, male coloration is not associated with indirect genetic benefits of female mate choice, and does not reliably signal spawning site quality. We tested a link between the extent of male carotenoid-based coloration and testis size and number of spermatozoa stripped from the testes. Male body size predicted spermatozoa number, but less reliably than the extent of male coloration. Male color was a highly significant predictor of spermatozoa number, with approximately 26% of variance in the number of spermatozoa stripped from males predicted from male color after controlling for male body size. Body size, but not coloration, predicted teste size. Female bitterling often risk sperm limitation, especially during pair spawnings, and male nuptial coloration may be under direct selection through female mate choice as a signal of male fertilization efficiency. (en)
Title
  • Male coloration signals direct benefits in the European bitterling (Rhodeus amarus)
  • Male coloration signals direct benefits in the European bitterling (Rhodeus amarus) (en)
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  • Male coloration signals direct benefits in the European bitterling (Rhodeus amarus)
  • Male coloration signals direct benefits in the European bitterling (Rhodeus amarus) (en)
skos:notation
  • RIV/68081766:_____/14:00394419!RIV14-GA0-68081766
http://linked.open...avai/riv/aktivita
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  • I, P(GA206/09/1163)
http://linked.open...iv/cisloPeriodika
  • 4
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http://linked.open...aciTvurceVysledku
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  • 27017
http://linked.open...ai/riv/idVysledku
  • RIV/68081766:_____/14:00394419
http://linked.open...riv/jazykVysledku
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  • Oviposition; Mate choice; Mating system; Nuptial coloration; Sexual selection; Spermatozoa (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [5942ACC5D9AB]
http://linked.open...i/riv/nazevZdroje
  • Environmental Biology of Fishes
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http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...v/svazekPeriodika
  • 97
http://linked.open...iv/tvurceVysledku
  • Polačik, Matej
  • Reichard, Martin
  • Smith, Carl
  • Phillips, A.
http://linked.open...ain/vavai/riv/wos
  • 000332150200001
issn
  • 0378-1909
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s10641-013-0155-1
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