Ten years ago, I brought one of those small fiberglass tuna down to Guatemala and asked my crew to rig up one on a spinning rod to use as a retease for marlin. They thought I was crazy, but when a 300-pound marlin lazily teased halfway to the boat and sank out of sight, I called for the Charlie Tuna. The mate made a long cast, the fiberglass fish hit the surface, the bail flipped over, and the painted fish skipped along beautifully. That blue marlin came back with some serious ferocity and was then teased into a beautiful head-and-shoulders bite that we had never expected. From then on, the Charlie Tuna has had a spot in our arsenal.