额尔齐斯河发现中国新纪录种——格鲁西东欧螯虾  

Astacus leptodactylus—A new record species in China was found in Irtysh River

作　　者：谢春刚[1] 段金荣[2] XIE Chungang;DUAN Jinrong(Aquatic Science Research Institute of Xinjiang Uygur Autonomous Region,Scientific Observing and Experimental Station of Fishery Resources and Environment in Northwest China,Ministry of Agriculture and Rural Affairs,Urumqi 830000,China;Freshwater Fisheries Research Center,CAFS,Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization,Ministry of Agriculture and Rural Affairs,Wuxi 214081,China)

机构地区：[1]新疆维吾尔自治区水产科学研究所,农业农村部西北地区渔业资源环境科学观测实验站,乌鲁木齐830000 [2]中国水产科学研究院淡水渔业研究中心,农业农村部淡水渔业和种质资源利用重点实验室,江苏无锡214081

出　　处：《水产科技情报》2023年第5期333-336,共4页Fisheries Science & Technology Information

基　　金：农业基础性长期性监测任务(ZX08S322358)。

摘　　要：2021年5月,在额尔齐斯河下游哈巴河县河段的渔获物中发现螯虾7尾,成年个体长11.4~17.5 cm,体质量81.7~127.6 g。经查询国内外分类学文献,依据其形态特征、栖息生境特点等鉴定为格鲁西东欧螯虾,拉丁学名:Astacus leptodactylus Eschscholtz 1823,俗名:窄爪螯虾(narrow-clawed crayfish)、多瑙河螯虾(Danube crayfish)等。格鲁西东欧螯虾为中国新纪录种,填补了我国中西部地区螯虾科的空白,可作为北方地区(寒冷水域)水产养殖的后备种质资源。In May 2021,seven crayfish were found in the catch of the lower reaches of the Irtysh River in Habahe County.The adult individuals were 11.4-17.5 cm long and 81.7-127.6 g in weight.According to the taxonomic literature at home and abroad,the crayfish was identified as Astacus leptodactylus Eschscholtz,1823 according to its morphological characteristics and habitat characteristics.Its common name containing narrow-clawed crayfish,Danube crayfish and etc.A.leptodactylus is a new record species in China,filling the gap of crayfish family in the central and western regions of China,and is also a reserve germplasm resource for aquaculture in the northern region.

关 键 词：额尔齐斯河 格鲁西东欧螯虾 窄爪螯虾 多瑙河螯虾 

分 类 号：S917.4[农业科学—水产科学]