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 3 Black – Barbless (#8)
The Deep-Diving Mid-Size Shadow – Isogenus and Diura Specialist The J:son Tungsten Stonefly Nymph 3 Black Barbless in size #8 is a heavy-hitting 20 mm imitation. By combining a dense tungsten core with a premium barbless hook, this fly offers the perfect balance of a mid-sized profile and a rapid sink rate, making it a "must-have" for technical, fast-flowing rivers.
Why this fly works:
-
Rapid Depth Management: The integrated tungsten weight allows this 20 mm nymph to cut through surface tension and reach the stream bed instantly. It is the ideal size for fishing "pocket water" where you need the fly to get deep in a very short distance.
-
The Barbless Edge: Specifically designed for catch-and-release fisheries. The barbless hook ensures deep, easy penetration on the strike while allowing for a fast, stress-free release that protects the health of wild trout and grayling.
-
Ultimate Visibility: Black provides the strongest silhouette of any color. This mid-sized black nymph stands out perfectly against light-colored gravel, in "bubbly" white water, or in the low-light conditions of early morning and late evening.
-
Anatomical Lifelikeness: Despite the internal weight, the fly maintains J:son’s legendary realism. The flexible legs and segmented body are designed to vibrate and move naturally in the current, providing the visual triggers that fool even the most selective fish.
Pro Tip: This is an incredible "dropper" nymph for a heavy-nymphing rig. Because of its 20 mm size and tungsten weight, it can be fished as the bottom fly to get the rig down, or as the upper fly in very heavy water. It is particularly deadly in the spring and early summer when mid-sized black stoneflies are most active near the river bottom.