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长江口沿岸碎波带三种暖水性鱼类仔鱼的出现
引用本文:刘磊,林楠,钟俊生,蒋日进,张冬良.长江口沿岸碎波带三种暖水性鱼类仔鱼的出现[J].海洋渔业,2008,30(1):62-66.
作者姓名:刘磊  林楠  钟俊生  蒋日进  张冬良
作者单位:上海水产大学生命科学与技术学院,上海,200090
基金项目:农业部东海区渔政渔港监督管理局项目 , 上海市教委资助项目 , 上海市重点学科建设项目
摘    要:2006年6~10月,按月在长江口沿岸碎波带设置的13个采样点,用小型拖网进行仔稚鱼多样性调查时,采集到遮目鱼仔鱼1 ind、海鲢仔鱼40 ind、大海鲢仔鱼144 ind,这是在长江口水域首次发现遮目鱼仔鱼和海鲢的仔鱼。本文详细描述了该三种暖水性鱼类仔鱼的形态特征,探讨了其水平分布与环境因子的关系,提出了长江口附近水域存在产卵场的可能性,为该三种暖水性鱼类早期生活史中的地理分布以及生态习性提供科学依据。

关 键 词:长江口  碎波带  遮目鱼  海鲢  大海鲢  仔鱼
文章编号:1004-2490(2008)01-0062-05
收稿时间:2007-12-17
修稿时间:2007年12月17

Occurrences on the fish larvae of three warm water species in the surf zone of the Yangtze Estuary
LIU Lei,LIN Nan,ZHONG Jun-sheng,JIANG Ri-jin,ZHANG Dong-liang.Occurrences on the fish larvae of three warm water species in the surf zone of the Yangtze Estuary[J].Marine Fisheries,2008,30(1):62-66.
Authors:LIU Lei  LIN Nan  ZHONG Jun-sheng  JIANG Ri-jin  ZHANG Dong-liang
Abstract:The fish larvae of three warm water species including a individual of Chanos chanos,40 ind.of Elops saurus and 144 ind.of Megalops cyprinoides were collected in monthly surveying by a seine net at 13 stations in the surf zone of the Yangtze Estuary from June to October 2006.It is the first record that Chanos chanos and Elops saurus larvae were found in the Yangtze Estuary.In present paper,it is not only described the morphological characters of these larvae but also clarified the relationship between their horizontal distribution and water temperature and salinity.Some scientific basis on their geographical distribution and ecological pattern in their early life history are herewith provided.
Keywords:Yangtze Estuary  surf zone  Chanos chanos  Elops saurus  Megalops cyprinoids  larvae
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