Abstract
The study presents estimate of length-weight relationships (LWRs) for five less common fish species (Gonorynchus abbreviatus, Antennarius striatus, Xenocephalus elongatus, Psenes arafurensis, Triacanthodes anomalus) from the East China Sea, based on trawl fisheries resource surveys conducted between 2010 and 2022. All specimens were measured for standard length (SL) and total weight (TW), with a precision of 0.1 cm and 0.1 g, respectively. The LWRs were calculated using the model W = aLb. All r2 values exceeded 0.95, which falls within the expected range. Additionally, the estimated value of b ranged from 2.633 to 2.980. This study provides the first estimates of LWRs for five fish species and four genera, while also documenting a new maximum SL of 32.4 cm for X. elongatus.
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The data that support the findings of this study are available from the corresponding author on reasonable request.
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Funding
The study was funded by special funds for survey of offshore fishery resources of the Ministry of Agriculture and Rural Affairs.
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Hanye Zhang designed the study and wrote the manuscript, Hui Zhang performed fieldwork and sampling, Hanye Zhang, Hui Zhang and Jianzhong Ling carried out the experiments and analyzed the data. All authors read and approved the final manuscript.
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The fish samples were taken during the fisheries resource survey for which permission was granted by Ministry of Agriculture and Rural Affairs of the People’s Republic of China.
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Zhang, H., Zhang, H. & Ling, J. Length-weight Relationships for Five Less Common fish Species from the East China Sea. Thalassas 39, 971–974 (2023). https://doi.org/10.1007/s41208-023-00599-6
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DOI: https://doi.org/10.1007/s41208-023-00599-6