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A casting net, also called a throw net, is a net used for fishing. It is a circular net with small weights distributed around its edge. The net is cast or thrown by hand in such a manner that it spreads out while it's in the air before it sinks into the water. This technique is called net casting or net throwing.
Small prey slip into the pit on the loose substrate. If the prey crawls up the slopes of the pit, the antlion throws sand at the prey, which may dislodge it and send it back down the pit. [ 11 ] In gastropods, cone snails have modified radula tooth which is stored in the radular sac and at the end of proboscis , acting like a harpoon.
Nylon fishing net with float line attached to small plastic floats. A fishing net is a net used for fishing. Some fishing nets are also called fish traps, for example fyke nets. Fishing nets are usually meshes formed by knotting a relatively thin thread. Early nets were woven from grasses, flaxes and other fibrous plant material. Later cotton ...
Cast nets - are round nets with small weights distributed around the edge. They are also called throw nets. The net is cast or thrown by hand in such a manner that it spreads out on the water and sinks. Fish are caught as the net is hauled back in. [12] This simple device has been in use, with various modifications, for thousands of years.
Gillnet – fishing nets constructed so that fish are entangled or enmeshed, usually in the gills, by the netting. According to their design, ballasting and buoyancy, these nets can be used to fish on the surface, in midwater or on the bottom. The mesh size of the net determines the size of fish caught, since smaller fish can swim through the mesh.
If an animal is heavily entangled, the mist net may need to be cut to avoid injuring the animal, damaging the material. Mist nets will not capture birds in direct proportion to their presence in the area (Remsen and Good 1996) and can miss a species completely if it is active in a different strata of vegetation, such as high in the canopy.