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Length−Length and Length−Weight Relationships of Pacific Saury, Cololabis saira (Scomberesocidae), in the Northwestern Pacific Ocean

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Abstract

This study is the first to record Pacific saury’s length–length relationships for converting various body length measurements from various fishing countries in the North Pacific Fisheries Commission. Also, we determined the length–weight relationship of the 2021 saury to compare with historical data. Neither age nor sex has a significant effect on the length–length and length–weight relationships. The length–length relationships were: fork length = 0.292 + 0.998 knob length (R2 = 0.999) and standard length = – 0.464 + 0.970 knob length (R2 = 0.986). The length–weight relationship was: body weight = 3.020 × 10–4 knob length3.788 (R2 = 0.894). The length–weight relationship comparison results indicate that saury has gotten thinner from 2004 to 2021.

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ACKNOWLEDGMENTS

We are very grateful to the Taiwan squid fishery association in Taiwan for assisting collection of the saury samples in the Kaohsiung Fishing Port in this study. The authors also wish to thank G.R. Elle for his comments on the manuscript and help with English writing. We also wish to thank the anonymous reviewers for their constructive comments on the manuscript.

Funding

This research was funded by the Fisheries Agency, Council of Agriculture, Executive Yuan, R.O.C (111 AS–6.4.1–FA–F6).

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  1. Graduate Institute of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, Taiwan

    K. P. Ginting & W.-B. Huang

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  1. K. P. Ginting
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  2. W.-B. Huang
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Correspondence to W.-B. Huang.

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Ginting, K.P., Huang, WB. Length−Length and Length−Weight Relationships of Pacific Saury, Cololabis saira (Scomberesocidae), in the Northwestern Pacific Ocean. J. Ichthyol. 63, 924–929 (2023). https://doi.org/10.1134/S0032945223050041

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