池沼公鱼(Hypomesus olidus pallas) , 属鲑形目 , 胡瓜鱼科 , 为小型经济鱼类 。 1985年春从日本引进技术池沼公鱼发眼卵投放在北京市怀柔县雁栖湖试养获得成功 ,...
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水丰水库的池沼公鱼一龄体长(到尾叉的体长,后同)74毫米,体重3克;
The fish is about 74 mm in fork length (body length measured from tip of snout to the fork of caudal) and 3g in body weight when one year old;
本文主要调查研究了凤城土门水库和辽阳汤河水库的池沼公鱼栖息活动及群体结构变化规律。
This paper deals with the behaviors of pond smelt and the changes in its population structure in the Tumen Reservoir, Fengcheng, and the Tanghe Reservoir, Liaoyang.
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