A trawling net with improved Cod-end for catching shrimps has an outer net having a uniform thread gauge, and which is knotted such that square-shaped openings are formed in a side-by-side uniform pattern. An inner net having a uniform thread gauge that is smaller than the outer net thread gauge, and which is knotted such that lozenge-shaped openings are formed in a side-by-side uniform pattern, wherein the lozenge-shaped openings are each formed having an area that is smaller than an area defined by each the square-shaped opening, and wherein the inner net is placed upon an inner surface of the outer net forming the improved trawling net, such that the trawling net is thereby adapted to catch smaller fish and marine life than the outer net alone.
