目前我国渔民捕虾用的渔具有拖网、流刺网、张网和敷网,其中以拖网的捕捞效率为最高。但是,在虾拖网渔业中,鱼虾混获却成为我国虾拖网渔业者长期以来迫切期望解决的一个重大难题。一般来说,虾拖网的网目尺寸比鱼拖网的网目尺寸小得多,所以这种虾拖网在捕虾作业过程中不可避免要混 At present, China’s fishermen used shrimp fishing trawl, flow gill nets, net and net, of which the fishing efficiency of trawling the highest. However, in the shrimp trawl fishery, the mixing of fish and shrimp has become a major challenge that the shrimp trawl fishermen in our country have long been eager to solve. In general, the net size of shrimp trawls is much smaller than the net size of fish trawls, so this type of shrimp trawls is inevitable in the process of shrimp trawling