Sustainability Rating:Yellow – Good Alternative What:Local swordfish carefully harvested using drift gillnet (DGN). When:Sporadic availability Where/How:Where: California How:  Drift Gillnet (DGN) A drift gillnet is an unanchored panel of stretched mesh (14 inches or greater) suspended vertically in the water by floats along the top and weights along the bottom. Regulations require large mesh drift gillnets fishing off the west Coast to be equipped …