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大银鱼属鲑形目,银鱼科,为浮游于水上层的一种小型经济鱼类。整体可食,肉味鲜美,营养价值高,能出口创汇,为太湖著名鱼种。1990年1月北京市水产科学研究所从太湖引进大银鱼发眼卵221万粒,投放在京郊平谷县海子水库进行冰下孵化,三月中旬逐渐孵出后。鱼苗入库。经过一年多的生长观察,已繁育后代。1991年12月下旬从现场捕捞看到,每张长10米、高60厘米的挂网捕捞到性腺发育成熟大银鱼100多尾,五张挂网共捕获大银
The big silverfish is a salmon-shaped head, the silverfish family, is a small economic fish floating in the water layer. Edible whole, delicious meat, high nutritional value, exports can earn foreign exchange, as the famous Taihu Lake species. In 1990 January Beijing Institute of Fisheries Science from the introduction of Taihu Lake silver eye 2.121 million eyes, put in the suburbs of Beijing Pinggu County Haizi reservoir for incubation under ice, gradually hatch in mid-March. Fry storage. After more than a year of growth observation, the offspring have been bred. In late December 1991, it was observed from on-site fishing that each of the 10-meter-long and 60-cm-high net catches more than 100 tails of gonadal mature whitebait and caught a total of five