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池沼公鱼H.olidus(pallas)小围网,属双船有囊围网类渔具。以双船拖带长带形网具,迅速包围鱼群,逐渐缩小包围圈,直至两船靠拢交叉起网,迫使鱼类进入网囊,达到捕捞目的。该渔具原是河北省怀来县官厅水库捕捞池沼公渔的的传统渔具之一。于1996年引进天津市蓟县于桥水库使用,该渔具具有结构简单,操作方便,成本低,捕捞效果较好的特点
Pond Marsh H.olidus (pallas) small seine, is a double boat with cypress fishing gear. To double-towed long-shaped mesh with a net, quickly surrounded by fish, and gradually narrow the encirclement until the two boats move closer to cross the net, forcing fish into the cyst, to fishing purposes. The fishing gear was originally Huayuan County, Hebei Province Guanting reservoir fishing marsh fishing one of the traditional fishing gear. It was introduced into Yuqiao Reservoir in Ji County, Tianjin in 1996. The fishing tackle has the characteristics of simple structure, convenient operation, low cost and good fishing effect