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Oceanic squid do fly

机译：大洋乌贼会飞

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摘要

Using powerful jet propulsion, some squid species are able to exit the water and become airborne; this is a common behavior seen throughout the world's oceans. However, direct scientific observation is rare, with most studies relying on anecdotal evidence and limited photographic documentation. Here, we examine the flying behavior of young oceanic squid (Ommastrephidae) observed in sequential photographs taken in the Northwest Pacific (35°34.0'N, 146°19.3'E) on July 25, 2011. We define four phases in the flight process: launching, jetting, gliding and diving. During flight, squid actively change their aerial posture and attitude depending on the flight phase and their distance from the water. The present study demonstrated that flight of squid is not simple gliding after incidental exit from the water, but involves jet propulsion, generation of lift force and control of different body postures in different flight phases, which have evolved to enhance escape from predators.
机译：通过使用强大的喷气推进器，一些鱿鱼物种能够离开水面并进入空气；这是在世界海洋中常见的行为。但是，直接的科学观察很少见，大多数研究都依赖轶事证据和有限的摄影文献。在这里，我们研究了2011年7月25日在西北太平洋（35°34.0'N，146°19.3'E）上拍摄的连续照片中观察到的年轻鱿鱼（Ommastrephidae）的飞行行为。我们定义了飞行过程的四个阶段：发射，喷射，滑翔和潜水。在飞行过程中，鱿鱼会根据飞行阶段及其与水的距离，主动改变其飞行姿态和姿态。本研究表明，鱿鱼的飞行并非偶然从水中退出后的简单滑行，而是涉及喷气推进，产生升力以及在不同飞行阶段控制不同的身体姿势，这些进化已发展为增强了逃避捕食者的能力。

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  • 来源
    《Marine biology》 |2013年第5期|1171-1175|共5页
  • 作者

    K. Muramatsu; J. Yamamoto; T. Abe; K. Sekiguchi; N. Hoshi; Y. Sakurai;

  • 作者单位

    Graduate School of Fisheries Sciences, Hokkaido University,3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan;

    Field Science Center for Northern Biosphere, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan;

    Faculty of Fisheries Sciences, Hokkaido University,Hakodate, Hokkaido 041-8611, Japan;

    Graduate School of Arts and Science, International Christian University, 3-10-2 Osawa, Mitaka City, Tokyo 181-8585, Japan;

    Faculty of Fisheries Sciences, Hokkaido University,Hakodate, Hokkaido 041-8611, Japan;

    Graduate School of Fisheries Sciences, Hokkaido University,3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan;

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