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首页> 外文期刊>Marine and Freshwater Behaviour and Physiology >Changes in light-reflecting properties of signalling appendages alter mate choice behaviour in a stomatopod crustacean Haptosquilla trispinosa
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Changes in light-reflecting properties of signalling appendages alter mate choice behaviour in a stomatopod crustacean Haptosquilla trispinosa

机译：信号附属物的反光特性的变化改变了拟足纲甲壳类Haptosquilla trispinosa的配偶选择行为

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摘要

Stomatopod crustaceans have complex visual systems capable of excellent spatial, colour and polarization vision. Accordingly, visual signals are used widely in their intraspecific communication behaviour. We tested the role of a particular visual signal thought to be important in mate choice in a stomatopod crustacean Haptosquilla trispinosa, by manipulating the ability of a brightly blue coloured, polarized light reflecting region on their first maxillipeds to reflect light. Depriving male H. trispinosa of their ability to produce bright blue polarized light signals did not affect their overall chances of being accepted by females. However, in comparison with control males, they had to signal significantly longer before being accepted by females, had briefer mating durations and received more aggressive responses from females before mating. These data show that males without coloured and polarized maxilliped reflections find it more difficult to be accepted by females than normal males, indicating that these light signals play an important role in mate selection in H. trispinosa. Our experiments show that highly regionalized, specific visual stimuli can be used in intraspecific signalling in a marine crustacean group known for its visual competence.
机译：口足类甲壳动物具有复杂的视觉系统，能够提供出色的空间，色彩和偏振视觉。因此，视觉信号在其种内通信行为中被广泛使用。我们通过操纵第一个足突上的明亮的蓝色偏振光反射区域的能力来测试特定视觉信号的作用，该信号对于气孔足纲甲壳类动物Haptosquilla trispinosa的配偶选择很重要。剥夺雄性三毛线虫产生明亮的蓝色偏振光信号的能力并不影响其被雌性接受的总体机会。但是，与对照雄性相比，它们在被雌性接受之前必须发出明显更长的信号，交配时间更短，并且在交配前受到雌性的更积极的反应。这些数据表明，没有彩色和偏振极大反射的雄性比普通雄性更难以被雌性接受，这表明这些光信号在Hs trispinosa的配偶选择中起着重要作用。我们的实验表明，高度区域化的特定视觉刺激可用于以其视觉能力而闻名的海洋甲壳类动物群中的种内信号传递。

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