Oregon grate
n.— «Commonly called the “Oregon grate,” the fish exclusion device fits onto the box trawl net traditionally used by pink shrimpers, allowing fishers to scoop shrimp off the sea floor without accidentally catching protected populations of rockfish.» —“Shrimpers blush pink but see green with ‘eco-label’” by Cassandra Profita Daily Astorian (Oregon) Dec. 27, 2007. (source: Double-Tongued Dictionary)