What's the use of fishing nets?

Fishing nets include trawl, purse seine, cast net, fixed net and cage. Trawl and purse seine are heavy nets for marine fishery fishing. The mesh size is 2.5 ~ 5 cm, the diameter of the net rope is about 2 mm, and the net weighs several tons or even dozens of tons. Usually a pair of tugboats are used to chase the fish separately or a canoe is used to lure the fish to gather and round up. Cast net is a kind of optical net for fishing in rivers and lakes. The mesh size is 1 ~ 3 cm, the net rope diameter is about 0.8 mm, and the net weighs several kilograms. Fixed nets and cages are fixed nets used for artificial culture in lakes, reservoirs or bays. The size and specifications vary with the species of fish. Keep fish in certain waters to avoid running away.

As the name implies, a fishing net is a fishing net. Ancient people used coarse cloth and hemp as raw materials to make fishing nets by binding. Although this kind of fishing net is rotten and tough, its fishing efficiency has been greatly improved. With the development of fishery, the object of fishing and hunting is not only fish, but also fishing tools keep pace with the times.

Fishing net Structural materials of special fishing tools. More than 99% is made of synthetic fibers. There are mainly monofilaments, multifilaments or multifilaments of nylon 6 or modified nylon, and fibers such as polyethylene, polyester and polyvinylidene chloride can also be used. Fishing nets have many functions.

Ancient people used coarse cloth and hemp as raw materials to make fishing nets by binding. Although this kind of fishing net is rotten and tough, its fishing efficiency has been greatly improved. With the development of fishery, the object of fishing and hunting is not only fish, but also fishing tools keep pace with the times. Modern fishing nets are mainly made of polyethylene, nylon and other raw materials. The service life is longer, the fishing efficiency is higher, and it can be classified according to different use modes. For example, traditional fishing nets (hand nets, hand nets), trawls powered by ships, gill nets (triple nets, purse seines) with different meshes used to catch trapped fish, etc. These nets are woven with different mesh sizes and different materials according to different fishing objects. At the same time, with the development of fishing nets, various fishing tools came into being, such as fishing net cages and four-corner nets, which are commonly used fishing tools.