Description
Stonefly Nymphs – The Year-Round Secret
Why Stonefly Nymphs are a must-have:
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Protein Power: These nutrient-rich nymphs are a primary food source for trout and grayling all year long.
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Easy Targets: As poor swimmers, they often lose their grip and drift downstream, becoming an effortless "snack" for waiting fish.
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Bottom Dwellers: Unlike many insects, they don't swim to the surface to hatch; they crawl to the shore. This keeps them in the "strike zone" near the riverbed for their entire life cycle.
J:son Stonefly Nymph 1 Olive Brown – Barbless (#2)
The Natural Drifting Giant – Perlodes and Pteronarcys Specialist The J:son Stonefly Nymph 1 Olive Brown Barbless in size #2 is a massive 32 mm imitation. Unlike the tungsten versions, this is a standard (unweighted) model equipped with a high-quality barbless hook. It is designed for anglers who prioritize an ultra-natural drift and ethical catch-and-release practices when targeting trophy fish.
Why this fly works:
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Catch & Release Optimized: The barbless hook is essential for technical rivers and "no-kill" zones. It provides superior penetration on the strike while allowing for a fast, safe release of large, wild trout and grayling.
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Neutral & Natural Presentation: Because it lacks an internal tungsten weight, this nymph behaves naturally in the current. It "tumbles" and "rolls" along the riverbed just like a real insect that has lost its grip, making it far more convincing to wary, experienced fish.
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Giant Profile: At 32 mm, this is a major calorie boost. The Olive Brown color mimics the earthy, mottled camouflage of the Large Stonefly (Perlodes microcephalus), making it a high-confidence choice for clear water.
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Anatomical Soft-Body: Featuring J:son’s signature flexible legs and segmented body, this fly moves with incredible realism. The soft texture is critical; when a fish takes the fly, it feels "real," causing the fish to hold on longer so you can set the hook.
Pro Tip: This is the ultimate nymph for "dead-drifting" in medium-depth runs or for use as a "trailing" nymph. If you need to reach the very bottom of a deep pool, fish this unweighted giant behind a heavy tungsten anchor fly (like the S1 Tungsten Black). This allows the Olive Brown nymph to flutter naturally just above the bottom, where the biggest trout often lie in wait.