The present invention relates generally to a turtle exclusion device (1) is fitted in a trawling net (7) in a region prior to a cod end. The device (1) comprising an upper member (2) and a lower member (4) with a plurality of elements (3) mounted there between. The lower member (4) is preferably a concave-downward curvilinear element, further coupled with at least one concave-downward curvilinear element (5) to allow marine resources except turtles to be captured.