Description
Stonefly Nymphs – The Year-Round Secret
Why Stonefly Nymphs are a must-have:
-
Protein Power: These nutrient-rich nymphs are a primary food source for trout and grayling all year long.
-
Easy Targets: As poor swimmers, they often lose their grip and drift downstream, becoming an effortless "snack" for waiting fish.
-
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 2 Olive Brown – Barbless (#4)
The Technical All-Rounder – Perlodes and Isogenoides Specialist The J:son Tungsten Stonefly Nymph 2 Olive Brown Barbless in size #4 is a versatile 26 mm imitation, combining a heavy tungsten core with a premium barbless hook. This "Olive Brown" model is widely considered the most essential "match-the-hatch" color for mid-to-large stoneflies, optimized for conservation-minded anglers.
Why this fly works:
-
Safe for Trophy Fish: The high-quality barbless hook is designed for easy penetration and minimal tissue damage. It allows you to target large, wild trout and grayling with the confidence that you can release them quickly and safely.
-
Fast-Sinking Performance: The internal tungsten weight is perfectly calibrated for the 26 mm body, ensuring the fly reaches the "feeding lane" on the riverbed even in heavy current and deep pocket water.
-
Masterful Camouflage: The Olive Brown palette mimics the natural, mottled coloration of nymphs living among river moss and silt. This subtle, organic look is highly effective in clear water where fish have more time to inspect the fly.
-
Soft-Body Technology: Constructed with J:son’s signature flexible materials, the nymph features lifelike legs and a soft, segmented body. The realism combined with the soft texture ensures that fish hold onto the fly longer, giving you the extra second needed to set the hook.
Pro Tip: This is the perfect "anchor" nymph for a barbless rig. In fast-flowing water, its weight and streamlined profile help it reach the bottom faster than traditional lead-wrapped flies. It is a proven producer in the early summer months when brown and olive stoneflies are at their most active and fish are looking for high-protein meals.