A fishing device which includes a tow boat, a noise generator, a Catamaran boat plate, a collection net assembly, a Catamaran, two rigid tow bars and a plurality of bent tubes. The collection net assembly includes an inlet net frame, a collection net, a rectangular outlet door and two blocking nets. The problems in conventional fishing methods: low fish catch and large manpower requirement which is not suitable for large scale fishing in fishing with fishhooks and small fishing nets, as well as failure to provide classification fishing for silver carp which in turn resulted in low fishing efficiency, low work efficiency and wasting of manpower in seine fishing, can be resolved effectively.