Variation in female guppy preference for male olfactory and visual traits

Variation in female guppy preference for male olfactory and visual traits
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雌性孔雀鱼对雄性嗅觉和视觉特征的偏好变化

DOI:
10.1007/s10164-014-0402-8
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发表时间:
2014
影响因子:
0.9
通讯作者:
Kenji Karino
Kenji Karino
中科院分区:
生物学4区
文献类型:
--
作者:
Aya Sato;Naoko Ozawa;Kenji Karino

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动物通常使用不同的感觉系统来评估来自潜在配偶的不同性选择信号。然而,在许多动物物种中,不同信号对配偶选择的相对重要性并没有得到很好的理解。在这项研究中,我们研究了相对的重要性,男性嗅觉和视觉线索的女性偏好在孔雀鱼。我们使用数字化修改的男性图像来标准化视觉刺激。我们发现,无论是女性提出没有男性视觉刺激或与相同的男性视觉刺激,他们更喜欢刺激与男性的气味。然而,当女性被允许选择沉闷的男性视觉刺激与男性气味,和鲜艳的男性视觉刺激没有男性气味,有没有明确的偏好。有些雌性更喜欢带有雄性气味的沉闷的雄性视觉刺激,而另一些雌性则更喜欢没有雄性气味的鲜艳的雄性视觉刺激。这些结果表明,嗅觉和视觉线索在雌性择偶偏好中的相对重要性因个体而异。
Animals often use different sensory systems to assess different sexually selected signals from potential mates. However, the relative importance of different signals on mate choice is not well understood in many animal species. In this study, we examined the relative importance of male olfactory and visual cues on female preference in the guppyPoecilia reticulata. We used digitally modified male images to standardize visual stimuli. We found that, regardless of whether females were presented without male visual stimuli or with identical male visual stimuli, they preferred stimuli with the odor of males to those without. However, when females were allowed to choose between dull male visual stimuli with male odor, and brightly colored male visual stimuli without male odor, there was no clear preference for either. Some females preferred the dull male visual stimuli with male odor, whereas some other females preferred the brightly colored male visual stimuli without male odor. These results indicate that the relative importance of olfactory and visual cues in female mate preference varied between individuals.
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