Craig OConnor and his pending spearfishing world record North Pacific yellowtail (77.4 pounds), taken on a breathold dive with a band-power speargun near Abalone Point. Guadalupe Island is home to enormous yellowtail. The three most recent spearfishing world records for Northern yellowtail have been taken at Guadalupe. July 2004. Guadalupe Island (Isla Guadalupe), Baja California, Mexico