Is the Relationship between Body Size and Trophic Niche Position Time-Invariant in a Predatory Fish? First Stable Isotope Evidence

• Takefumi Nakazawa ,

  * E-mail: tknkzw@ntu.edu.tw

  Affiliations Center for Ecological Research, Kyoto University, Otsu, Japan, Institute of Oceanography, National Taiwan University, Taipei, Taiwan

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• Yoichiro Sakai,

  Affiliation Center for Ecological Research, Kyoto University, Otsu, Japan

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• Chih-hao Hsieh,

  Affiliations Institute of Oceanography, National Taiwan University, Taipei, Taiwan, Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei, Taiwan

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• Tadatoshi Koitabashi,

  Affiliation Center for Ecological Research, Kyoto University, Otsu, Japan

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• Ichiro Tayasu,

  Affiliation Center for Ecological Research, Kyoto University, Otsu, Japan

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• Norio Yamamura,

  Affiliation Research Institute for Humanity and Nature, Kyoto, Japan

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• Noboru Okuda

  Affiliation Center for Ecological Research, Kyoto University, Otsu, Japan

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