The bottom of the net is open, why is it closed when you pull it up?

Because there are a lot of lead pendants hanging on the outermost ring of the net, and when the net is spread out, the lead pendants fall into the water and cover the fish and sink to the bottom. In the outermost circle of the net, there is a rope through the outer edge of the mesh, which is clutched in the hands of the fishermen.

When the fisherman pulls the rope tightly in his hand, the outermost ring of the net is tightened little by little against the bottom of the water until the mouth of the net shrinks all the way down to the net, then the fish can be put all the way in the net.

In addition, put the net, one end of the net along the net wall quarter - at the fixed, and then the net to the net wall insertion part of the axis, in a circle net. The other end of the net is not closed to the wall, leaving a doorway of about ten feet for the fish to swim into.

Expanded:

Pulled nets are generally in the form of long bands. According to the structure of the form of no capsule and there are two kinds of single capsule MinOu. Pulling net netting on, the lower outline are equipped with floaters, sinkers. Single bag structure of the bag, most in the middle of the two wings, there are also partial to the side of the netting.

In order to prevent the operation of the fish jumped out of the net, some of the upper outline with a net cover. In order to improve the efficiency of the net to catch bottom fish, some in the lower program near the assembly of a series of small bags, known as the bag net. In recent years, there are also in the lower program electrified to improve the efficiency of fishing.

Used in rivers, lakes or reservoirs are mostly winged single capsule, its length depends on the ability to collect and pull the gear and the area of the water, generally hundreds of meters, the longest up to 2-3 kilometers.

Baidu Encyclopedia - Fishing Nets