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Tangle nets are vertical panels of nylon netting and are normally set in a straight line. The top of the net is buoyed with floats and the bottom of the net is weighted to maintain the net’s vertical position. Tangle nets are designed for non-lethal capture of fish. The smaller mesh of a tangle net prevents fish from entering the net beyond the operculum (gill cover); instead, fish are caught by the nose or jaw. This allows fish to continue respiring and reduces their risk of injury.