The gamefish fishery which operates off the New South Wales coast is among the largest of its kind in the world, generating vital economic activity in regional towns and centres along the entire coast. . A wide range of gamefish species are caught in the fishery, including black, blue and striped marlin, shortbill spearfish, sailfish, yellowfin, bigeye, longtail, skipjack and mackerel tuna, albacore, dolphin fish (mahi mahi), wahoo and cobia and a range of offshore shark species including mako, blue, tiger, hammerhead and various whaler sharks.   Tournaments and organized events provide excellent opportunities to undertake valuable biological monitoring and research on the landed catch.