Device for trapping megalobrama amblycephala in large culture water surfaces

Abstract

The invention provides a device for trapping megalobrama amblycephala in large culture water surfaces. The device comprises a food delivery platform formed from enclosing net piece walls. The middle portion of the front net piece wall of the food delivery platform provided with the net piece walls at three sides in an enclosing manner is provided with a sliding door. The middle portions of the two sides of the sliding door are connected with a sliding door rope each. A fish collecting box is connected to the net piece wall with the sliding door and to the positions on the two sides of the sliding door. The fish collecting box is provided with net piece walls at all sides in an enclosing manner and is semi-circular in shape. The two corners and the middle portion of the rear net piece wall of the fish collecting box are provided with three fish taking bag fish inlets. Three cylindrical fish taking bags are connected to the two sides of the fish taking bag fish inlets and to the corresponding net piece wall from behind. The fish taking bags are provided with upper and lower net ropes for connection and fixation and three steel bar support rings support the inner space of each fish taking bag up to a fish taking opening bag pull pile. The three fish taking bag fish inlets are connected with three fish inlet inner tapered units which extend inward in an inward-concave manner and are connected with three fish inlet inner tapering openings. The three fish inlet inner tapering openings are provided with three fish inlet inner tapering opening pull ropes for connection and fixation each.

Description

technical field [0001] The invention relates to a device for trapping big-headed bream, in particular to a device for trapping big-headed bream on a large water surface, and belongs to the technical field of fishing devices. Background technique [0002] The group-headed bream, also known as Wuchang fish, has a small head and a lot of meat, and the meat is tender and delicious. In recent years, it has been used as an excellent species in Hubei, Jiangsu and other places. The group-headed bream is a herbivorous fish. In natural waters, it mainly feeds on plants such as aquatic plants and polygrass. On the surface of breeding water, it mainly feeds on bean cakes, wheat bran, and corn. In recent years, due to the feeding of group-headed The water area of ​​bream continues to expand, and the structure of the breeding waters has also undergone major changes, especially the breeding water surface with many aquatic plants, reeds, wooden piles, pits and ditches, and deep silt. There...

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Problems solved by technology

[0003] The object of the present invention is to: provide a kind of simple in structure, not be affected by any water surface restriction and obstacle, catch large amount of fish, catch the group head bream fish effect of a kind of aquaculture large water surface trapping group head bream fish device, overcome existing There are many aquatic plants, reeds, wooden piles, pits and ditches, deep silt, complex terrain and other reasons in the waters where the roundhead bream is raised, which makes it difficult to catch fish and cannot be sold on time.

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