Did you know you can catch trout and tarpon in the same trip, along with exotic jungle species?  I didn't either, but Kevin Jackson [42:22] of Fly Fish Costa Rica shares with us the wide variety of fly fishing you can have in this diverse and well-preserved ecosystem. And also the rare wildlife you might see in this country that offers saltwater, jungle, and mountain trout fishing.   In the Fly Box this week, we have some great questions and hopefully answers that will help many of you solve the same problems in your fishing, including: I keep getting accused of "flossing" Pacific salmon when fly fishing for them but I see them aggressively take my flies.  What are your thoughts on this? What purpose does dubbing serve on a dry fly?  Does it add buoyancy? A listener thanks us for the podcast on knots and also on our support of policies to address climate change . I recently opened a box of my grandfather's tackle from 1944 that includes a bamboo rod, gut leaders, flies, and a silk fly line.  Should I use them? What sort of performance should I expect from the new Orvis Superfine bamboo fly rod? What impact will the recent disastrous floods in North Carolina have on the future of fly fishing? I want to purchase a vintage Orvis bamboo fly rod.  Would one be a reliable fishing tool? When I switch dry flies, should I be more concerned with size, pattern, or color? What can I do to prevent the unnatural curves in saltwater flies after they are used? My brother and I were using the same streamer in a slow-moving river.  I caught a bunch of fish and he didn't but I was casting my streamer at a different angle to the current.  Do you think this made the difference?