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Parental division of labour and the shift from minimal to maximal role specializations: an examination using a biparental fish

机译:父母的分工和角色专长从最小到最大的转变:使用双亲鱼的检查

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摘要

In biparental species, parents often cooperate by emphasizing different parental roles. However, these parental sex differences often disappear when only one parent is present. For example, under natural conditions, the female convict cichlid fish, Archocentrus nigrofasciatus, typically remains with the offspring while the male spends most of his time patrolling the territory and chasing intruders. With the removal of the mate, either parent is capable of raising the offspring alone, and when doing so, they each perform all parental roles.
机译:在双亲物种中,父母通常通过强调不同的父母角色来合作。但是,如果只有一位父母,这些父母的性别差异通常会消失。例如,在自然条件下,雌性定罪的丽鱼科鱼(Archocentrus nigrofasciatus)通常留在后代中,而雄性则大部分时间都在该地区巡逻并追逐入侵者。除去配偶后,父母双方都可以独自抚养后代,这样做时,他们每个人都扮演着父母的角色。

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