ABSTRACT Zebrafish, Danio rerio, is one of the most studied vertebrate models. However, there are still many aspects of its reproductive behavior to be elucidated. The aim of this work was to clarify whether males and females of this species display different behaviors according to sexual status, and the kind of cues they were exposed to (visual and/or chemical). Females in two different sexual status, pre- (PreS) or post-spawning (PostS), were exposed to single males cues (visual or chemical) or complementary cues (visual and chemical together). PreS females spent more time near the male’s compartment than PostS when they were exposed to complementary cues, but no differences were found when only one cue was present. Males showed a higher proximity to females when they were exposed to visual, and both cues together, but no difference was found according to females’ reproductive status. When no barrier was present, males and PreS females spent more time swimming together than males with PostS females. These results showed that females’ reproductive status, and the kind of cues to which females and males are exposed to, can modulate behaviors related to reproduction. Particularly, both cues together (visual and chemical) are necessary to trigger different behaviors in females according to their reproductive status.

中文翻译：

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根据雌性生殖状态以及视觉和化学线索调节斑马鱼的行为，Danio rerio

摘要斑马鱼 Danio rerio 是研究最多的脊椎动物模型之一。然而，其生殖行为仍有许多方面有待阐明。这项工作的目的是澄清该物种的雄性和雌性是否根据性状态以及他们所接触的线索种类（视觉和/或化学）表现出不同的行为。处于两种不同性状态的雌性，产卵前 (PreS) 或产卵后 (PostS)，暴露于单一雄性线索（视觉或化学）或互补线索（视觉和化学一起）。当暴露于互补线索时，PreS 雌性在雄性隔间附近花费的时间比 PostS 多，但当只有一种线索存在时，没有发现差异。雄性在暴露于视觉时与雌性表现出更高的接近度，并且这两种线索都在一起，但根据雌性的生殖状态没有发现差异。当不存在障碍时，雄性和 PreS 雌性比雄性和 PostS 雌性花更多时间一起游泳。这些结果表明，雌性的生殖状态，以及雌性和雄性所接触的线索种类，可以调节与繁殖相关的行为。特别是，根据女性的生殖状态，这两种线索（视觉和化学）对于触发女性的不同行为是必要的。