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Right tools for the task: intraspecific modality in the swimming behaviour of coral reef fishes

机译：正确的任务工具：珊瑚礁鱼游泳行为的种内形态

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摘要

Understanding the movement patterns of fishes in the wild requires an awareness of the intrinsic and extrinsic factors underlying their behaviour. Using field observations, we explored whether eight species of coral reef fish display modality in their swimming behaviour, which is a convergence in fin use patterns among and within species when they conduct daily activities (e.g. feeding, travelling, chasing). While a range of different fins were used during steady swimming by each species, most fishes converged towards median-paired fin use (e.g. pelvics, pectorals) when undertaking searching and feeding. Conversely, all species adopted caudal fin use during high-speed activities such as chasing. Such modality in fin use was relatively conserved across juvenile and adult conspecifics and transcended differences in phylogenetic history and trophic preferences, suggesting that overarching constraints underpin patterns of fish swimming behaviour in complex habitats.
机译：要了解野生鱼类的运动方式，就必须了解其行为的内在和外在因素。通过实地观察，我们探索了八种珊瑚礁鱼在其游泳行为中是否表现出形态，这是它们在进行日常活动（例如进食，旅行，追逐）时在物种之间和内部的鳍使用模式的收敛。虽然每个物种在稳定游泳过程中使用了多种不同的鳍，但大多数鱼类在进行搜寻和觅食时会趋向于使用中间配对的鳍（例如骨盆，胸鳍）。相反，在追赶等高速活动中，所有物种都使用尾鳍。这种鳍的使用方式在少年和成年物种中相对保守，并超越了系统发育史和营养偏好方面的差异，这表明总体约束是复杂栖息地鱼类游泳行为模式的基础。

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  • 来源
    《Marine biology》 |2014年第5期|1103-1111|共9页
  • 作者

    J. R. Pink; C. J. Fulton;

  • 作者单位

    ARC Centre of Excellence for Coral Reef Studies, Research School of Biology, The Australian National University,Canberra, ACT 0200, Australia;

    ARC Centre of Excellence for Coral Reef Studies, Research School of Biology, The Australian National University,Canberra, ACT 0200, Australia;

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