鲑鱼鲨(Lamna ditropis)使用漂浮的人为碎片抓挠行为

Q4 Agricultural and Biological Sciences

The Canadian Field-Naturalist Pub Date : 2023-02-20 DOI:10.22621/cfn.v136i3.2949

C. Du Preez, H. Gartner, Joshua Watts, Lindsay Clark, Shelton Du Preez, T. Norgard

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引用次数: 0

摘要

在开阔的海洋中对动物行为的观察相对较少。然而，在2019年和2021年夏天在东北太平洋进行调查时，我们遇到了两条鲑鱼鲨(Lamna ditropis)使用漂浮的人为碎片刮伤身体。我们用空中(无人机)和水下摄像机捕捉到了这一活动。我们记录并描述这种新行为为高能量、高冲击、重复、快速和持久(例如，每~15秒持续>20分钟)。我们根据传统的生态知识和科学文献来探索这些观察结果。

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Salmon Shark (Lamna ditropis) scratching behaviour using floating anthropogenic debris

Observations of animal behaviour in the open ocean are relatively rare. However, while conducting surveys in the Northeast Pacific in the summers of 2019 and 2021, we encountered two Salmon Shark (Lamna ditropis) using floating anthropogenic debris to scratch their bodies. We captured the activity with aerial (drone) and underwater cameras. We document and describe this novel behaviour as high energy, high impact, repetitive, fast, and long lasting (e.g., every ~15 s for >20 minutes). We explore these observations in light of traditional ecological knowledge and scientific literature.

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来源期刊

The Canadian Field-Naturalist Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Canadian Field-Naturalist (ISSN: 0008-3550) publishes scientific papers by amateur and professional naturalists and field biologists, reporting observations and results of investigations in any field of natural history, provided they are original, significant, and relevant to Canada.