奥地利阿尔卑斯山溪流中湖鲑的产卵行为:进化启示

IF 0.6 4区 生物学 Q4 FISHERIES
Kurt Pinter, Manu Esteve
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引用次数: 0

摘要

我们首次使用水下摄像机记录并描述了阿尔卑斯溪流(奥地利 Oberer Lunzer Seebach)中湖鳢(Salvelinus umbla)的产卵行为。研究结果随后与文献中报道的其他鲑科鱼类进行了比较。与其他鲑科鱼类不同的是,湖鲑雌鱼在产卵后并不像其他鲑科鱼类那样做出典型的起伏行为,而是为了让卵在砾石缝隙中排气和分布。这种行为上的区别揭示了不同的进化历史,并支持将湖鲑列为物种。本文在进化框架内讨论了鲑科鱼类独特的产卵模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Spawning behaviour of lake charr, Salvelinus umbla, in an Alpine Austrian stream: evolutionary insights

Spawning behaviour of lake charr, Salvelinus umbla, in an Alpine Austrian stream: evolutionary insights

Underwater cameras were used to record and describe, for the first time, the spawning behaviour of the lake charr (Salvelinus umbla) in an Alpine stream (Oberer Lunzer Seebach, Austria). The results were then compared with other Salvelinus species reported in the literature. Unlike other Salvelinus species, lake charr females do not perform the typical undulating behaviour intended to ventilate and distribute eggs over gravel crevices after the spawning act. This behavioural distinction reveals a different evolutionary history and supports the lake charr being conferred a species status. The Salvelinus species’ unique mode of spawning is discussed within an evolutionary framework.

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来源期刊
Ichthyological Research
Ichthyological Research 生物-动物学
CiteScore
2.80
自引率
16.70%
发文量
48
审稿时长
3 months
期刊介绍: Ichthyological Research is an official journal of the Ichthyological Society of Japan and is published quarterly in January, April, July, and November. Ichthyological Research primarily publishes research papers on original work, either descriptive or experimental, that advances the understanding of the diversity of fishes. Ichthyological Research strives to cover all aspects of fish biology, including taxonomy, systematics, evolution, biogeography, ecology, ethology, genetics, morphology, and physiology.
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