The Irish company based in Co Donegal with over 16 years experience in developing and producing product for the Irish fishing industry has developed a unique product that separates undersized and juvenile fish from the target catch in pelagic trawls by taking advantage of fish size and fish behavior. Other grids have been used in trawls before but tend to be rigid. With the size of cod-ends or braillers used in pelagic fishing a rigid grid would be unusable and a danger to the crew. The grid differs from other grids employed in release devices in that it is totally collapsible.