Knowing how a trout uses its lateral line can help interest trout in your dry fly or nymph. The lateral line is not just important for night-feeding or for avoiding predators. Trout use this sense while feeding throughout the day, and you can use your understanding of the lateral line to interest trout without putting your fly dangerously close to the fish–and risk spooking it. As usual, Dave and Amelia Jensen taunt us with giant fish in clear water—but it makes their films so much more fun to watch!
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