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Lateralization of Aggression during Reproduction in Male Siamese Fighting Fish

机译：雄性暹罗斗鱼繁殖过程中的侵略性横向化

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A preference for the left-eye use during aggressive interactions has been widely reported in the literature, even though in some cases the direction of lateralization varies among individuals within populations. Laterality of aggression in male Siamese fighting fish has been described in a number of studies, yet very little is known about lateralization of aggression during reproduction and/or parental care in fish. Here, we aimed to investigate the relationship between the different reproductive phases and lateralization in eye use during aggressive interactions in males of Siamese fighting fish. Lateralization in eye use is influenced during the early reproductive state, before and after the bubble nest construction stages. We found that nest-holding males preferentially used the right eye before and after bubble nest construction independent of the sex of the intruder. During the later reproductive phases, aggressiveness increased whereby the direction of lateralization rather than the degree was influenced supporting the hypothesis that reproductive state influences behavioral consistency in Siamese fighting fish.
机译：尽管在某些情况下人群中个体之间的偏侧化方向有所不同，但在文献中已经广泛报道了在积极互动中使用左眼的偏爱。在许多研究中已经描述了雄性暹罗斗鱼的侵略性，但对鱼类繁殖和/或父母照料过程中的侵略性了解甚少。在这里，我们旨在调查暹罗斗鱼雄性中雄性互动过程中，不同生殖阶段与眼部偏侧化之间的关系。在气泡巢构建阶段之前和之后，在早期生殖阶段会影响眼睛使用的横向化。我们发现，筑巢雄性在气泡巢构造之前和之后优先使用右眼，而与入侵者的性别无关。在后期的繁殖阶段，侵略性增加，从而影响了侧枝化的方向而不是程度的影响，从而支持了以下假设：繁殖状态会影响暹罗斗鱼的行为一致性。

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