湖大吻鱥(学名:Rhynchocypris percnurus)为辐鳍鱼纲鲤形目雅罗鱼科大吻鱥属的鱼类。分布于欧亚大陆,包括德国、捷克、波兰、乌克兰、白俄罗斯、俄罗斯、中国北部、朝鲜半岛及日本淡水流域,该物种的模式产地在勒拿河,体长可达18.5公分。[2]喜群游,栖息在水草密布的水域,属肉食性,以甲壳类、昆虫及蠕虫等为食,为经济性鱼类。
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