RECENT SOCIAL HISTORY ALTERS MALE COURTSHIP PREFERENCES
RECENT SOCIAL HISTORY ALTERS MALE COURTSHIP PREFERENCES
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DOI：
10.1111/j.1558-5646.2011.01421.x
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发表时间：
2012-01
期刊：
影响因子：
3.3
通讯作者：
L. Jordan;R. Brooks
中科院分区：
文献类型：
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作者：
L. Jordan;R. Brooks
表型可塑性交配行为可能允许雄性修改他们的生殖行为，以适应当时的社会条件，但我们不知道，如果雄性只对直接的社会刺激或改变其固有的交配偏好，根据他们的社会历史。在这里，我们研究的影响，社会经验对随后的生殖行为的雄性孔雀鱼在标准条件下，使我们能够区分过去和即时的社会条件的影响。男性经历了实验条件反射期，在此期间，他们与三名女性，无论是可变大小或类似的大小。女性要么同时或连续到达。在随后的标准试验中，只有经历过不同大小的雌性的雄性才优先向大雌性求爱。此外，男性接触到顺序女性的到来，追求随后的女性更积极地比男性经历了同时女性的到来。与此相反，男性并没有改变他们的胁迫交配企图与他们最近的社会历史。这些结果表明，男性使用过去的经验，以修改他们随后的生殖行为，而不是只对直接刺激的反应，并揭示了复杂的方式，男性改变他们的生殖策略，以适应社会环境，并最大限度地提高健身在不断变化的选择景观。
Phenotypically plastic mating behavior may allow males to modify their reproductive behavior to suit the prevailing social conditions, but we do not know if males only react to immediate social stimuli or change their inherent mate preferences according to their social history. Here we examine the effect of social experiences on the subsequent reproductive behavior of male guppies under standard conditions, allowing us to distinguish the effect of past and immediate social conditions. Males experienced experimental conditioning periods during which they interacted with three females, either of variable size or of similar size. Females arrived either simultaneously or consecutively. In subsequent standard assays, only males that had experienced females of variable size preferentially courted large females. Further, males exposed to sequential female arrival courted subsequent females more vigorously than males that had experienced simultaneous female arrival. In contrast, males did not alter their coercive mating attempts in relation to their recent social history. These results demonstrate that males use past experiences to modify their subsequent reproductive behavior rather than reacting only to immediate stimuli, and reveal the sophisticated ways in which males alter their reproductive tactics to suit the social environment and maximize fitness across changing selective landscapes.