连晋欣,臧娜,陈新军,瞿俊跃,操亮亮,花传祥,林东明

• 1:上海海洋大学海洋科学学院
• 2:大洋渔业资源可持续开发省部共建教育部重点实验室
• 3:国家远洋渔业工程技术研究中心
• 4:农业农村部大洋渔业开发重点实验室

摘要(Abstract)：

【目的】探究富山武装乌贼(Enoploteuthis chunii)和相拟钩腕乌贼(Abralia similis)的生物生态学特性,为掌握西北太平洋枪乌贼类种群分布及其生物学特性提供资料参考。【方法】根据2019年9月"淞航"号远洋综合调查船西北太平洋调查航次采集的生物样本,采用数理统计方法初步分析富山武装乌贼和相拟钩腕乌贼在西北太平洋的分布特点,以及体质量-胴长关系和体征变化等生物学特征。【结果】富山武装乌贼和相拟钩腕乌贼均主要分布在水温较低、叶绿素a浓度较高的黑潮-亲潮过渡区,在黑潮水域及其南部水域的分布较少。富山武装乌贼胴长为11～49 mm,体质量为276～5 775 mg;相拟钩腕乌贼胴长为10～36 mm,体质量为345～2 761 mg;两者均在黑潮-亲潮过渡区分布的个体体型为最大。富山武装乌贼和相拟钩腕乌贼的体质量与胴长均呈显著的幂函数关系,拟合关系b值小于匀速生长b=3的假设。两者体征均随着体质量增大而趋好,并且在黑潮-亲潮过渡区的个体体征较佳。【结论】西北太平洋富山武装乌贼和相拟钩腕乌贼在9月份主要分布在黑潮-亲潮过渡区,利用该过渡区作为索饵育肥场,生长发育处于负异速生长期。

关键词(KeyWords)： 富山武装乌贼;相拟钩腕乌贼;体型生长;体征;西北太平洋

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41876144;41276156);; 国家重点研发计划（2019YFD0901404）;; 上海市人才发展资金项目(2020107);; 上海市科技创新行动计划（19DZ1207502）

作者(Author): 连晋欣,臧娜,陈新军,瞿俊跃,操亮亮,花传祥,林东明

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