Otolith microchemistry reveals diverse habitat uses and migratory patterns of two Coilia species (Engraulidae) in the Min River Estuary, southern China

文献类型： 外文期刊

第一作者： Xu, Qing

作者： Xu, Qing;Ren, Qing-qiang;Lin, Bai-an;Liu, Min;Jiang, Tao;Yang, Jian;Lin, Bai-an;Jiang, Xiao-bin;Liu, Min

作者机构：

关键词： Otolith microchemistry; Natal sources; Migratory behavior; Coilia grayii; Coilia mystus; China

期刊名称：MARINE ENVIRONMENTAL RESEARCH （ 影响因子：3.3； 五年影响因子：3.5 ）

ISSN： 0141-1136

年卷期： 2024 年 193 卷

页码：

收录情况： SCI

摘要： A recent study based on gonad histology revealed that the existence of the spawning grounds for Gray's grenadier anchovy (Coilia grayii) and Osbeck's grenadier anchovy (C. mystus) in the Min River Estuary, the largest in Fujian Province, southern China. Further confirming their natal sources and migratory patterns is essential to understand their life histories. We used otolith microchemistry to assess the origins and habitat uses of 23 C. grayii and 22 C. mystus, collected the Min River Estuary and the adjacent waters. The results showed that C. grayii spawned in both freshwater (n = 14) and brackish water (n = 9), and C. mystus spawned mainly in brackish water (n = 20) with minor in freshwater (n = 1) and marine water (n = 1). The migratory patterns of C. grayii (four types) and C. mystus (five types) were diverse, mainly exhibiting anadromous and semi-anadromous behaviors. The first migratory behavior of C. grayii and C. mystus occurred within the age of the first year. The findings have significant implications for fishery stock management of the Min River Estuary and its adjacent waters.

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