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 Tungsten Stonefly Nymph 1 Gold – Barbless (#2)
The High-Visibility Catch & Release Giant – Perla & Golden Stone Specialist The J:son Tungsten Stonefly Nymph 1 Gold Barbless in size #2 is a massive 32 mm imitation, featuring a heavy tungsten core and a high-quality barbless hook. This "Gold" version (Light Olive/Golden) is specifically designed for catch-and-release anglers targeting trophy fish that feed on the largest golden-toned stoneflies, such as the Golden Stonefly (Hesperoperla pacifica) and the Large Golden Stone (Perla marginata).
Why this fly works:
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Barbless Advantage: Designed for the modern, conservation-minded angler. The barbless hook allows for deeper penetration on the strike while ensuring a quick, clean, and stress-free release—vital when handling the large, trophy-sized trout this fly attracts.
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Deep Zone Dominance: The integrated tungsten weight is essential for a fly of this size. It allows the 32 mm nymph to cut through heavy currents and reach the deep "pockets" and riverbed channels where the biggest fish reside.
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Biological Accuracy: Mature Golden Stonefly nymphs are a significant high-protein meal. This fly perfectly captures their substantial profile and vibrant, translucent golden-olive hue, making it an easy target in both clear and slightly stained water.
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Soft-Body Realism: Built with J:son’s signature flexible materials, the legs and segmented body provide organic micro-movements. The soft texture is key; when a fish strikes, the fly feels like a real, soft insect, preventing the "instant spit" often associated with hard-bodied nymphs.
Pro Tip: This is the ultimate "point fly" for a barbless-only river. Because of its weight and high visibility, it is perfect for searching deep, turbulent water. Fish it on a heavy leader near the bottom of oxygenated runs or at the very head of deep pools where large rainbows and browns are waiting for a major calorie boost.