文献类型： 外文期刊
作者： Zhang, Hanye 1 ; Zhang, Hui 1 ; Ling, Jianzhong 1 ;
作者机构： 1.Minist Agr & Rural Affairs, Key Lab Fisheries Remote Sensing, Shanghai, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai, Peoples R China
关键词： Length-weight relationships; East China Sea; Less common fish
期刊名称：THALASSAS （ 影响因子：0.7； 五年影响因子：0.8 ）
ISSN： 0212-5919
年卷期： 2023 年
页码：
收录情况： SCI
摘要： 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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