Tungsten Bead Head Flash Back Pheasant Tail Mayfly Nymph Fly - 1 Dozen Flies Review (2026)

What this fly is and why anglers reach for it

The Pheasant Tail nymph is one of the most enduring trout patterns in fly fishing, and this version adds a tungsten bead head and a flash back to the classic tie. The pheasant tail fibers create a slim, mottled brown body that reads as a generic mayfly nymph to feeding trout, which is exactly why the pattern works across so many rivers and stillwaters rather than matching one specific bug. The flash back, a strip of pearl or holographic material laid over the wing case, adds a subtle glint that can trigger strikes in stained water or when fish are keying on movement rather than exact silhouette. This dozen pack, tied on Mustad Signature hooks known for consistent proportions and chemical sharpening, gives anglers a dependable restock of a fly that belongs in nearly every trout box, whether fishing a freestone mountain stream or a slower tailwater flat.

Tungsten bead and what it changes about the fly

The defining feature of this version is the tungsten bead head rather than the more common brass bead. Tungsten is significantly denser than brass, so a tungsten bead of the same diameter sinks faster and pulls the fly down through the water column more quickly, which matters when fishing faster currents or deeper pools where a slower sinking fly would drift past the strike zone before reaching feeding depth. That faster sink rate makes this pattern a good choice for euro nymphing style rigs or any presentation where getting the fly down immediately is the priority, rather than a searching pattern fished shallow. The bead also adds a small amount of flash and weight to the head that can help the fly ride hook point up, reducing snags on rocky or weedy bottoms compared with an unweighted tie. One practical note is that the listing does not specify the hook size for this particular dozen, so anglers matching a specific hatch or fishing a particular size window should confirm the size before ordering, since Pheasant Tails are commonly tied from about size 12 down to size 18.

Fishing it and caring for the flies

This pattern fishes well as part of a two or three fly nymph rig, typically as the point fly given its weight, with a lighter unweighted fly trailing above it to cover different depths in the same drift. It works equally well under an indicator in slower water or on a tight line euro nymphing setup in faster runs, and its natural profile makes it a reasonable searching pattern when there is no obvious hatch to match. Because it imitates general mayfly nymphs rather than one species, it holds up across a full season without needing to be swapped for a hatch-specific tie. Care is simple: rinse the fly after use, dry it before storage to prevent hook rust, and inspect the point periodically since tungsten flies fishing bottom-bouncing presentations can dull faster than flies fished higher in the water column. Replacing a dozen at a time keeps a nymph box stocked without the cost of buying single flies repeatedly.

Trade-offs and comparable patterns

The main trade-off with a heavier tungsten fly is that it snags more readily in shallow, rocky or weedy water where a lighter brass or unweighted Pheasant Tail would drift cleaner. Anglers fishing skinny pocket water or weedy spring creeks may prefer a lighter tie and save this tungsten version for deeper runs and pools. Within the same nymph selection category, this fly ranks alongside the Essential Nymph Fly Assortment, which offers more pattern variety in one box including this exact Pheasant Tail style among other ties, and the Wild Water 72-fly assortment, which bundles a large fly box with its flies. Anglers who already know they want a dedicated Pheasant Tail supply in a specific size will get better value from this focused dozen pack than from a broader mixed assortment, while those still building a first nymph box may prefer a multi-pattern set.

Verdict and who should choose differently

Our score of 8.6 out of 10 reflects a well-tied, proven pattern with a useful tungsten upgrade and reliable Mustad hooks, docked slightly for the missing hook size detail and the narrower snag margin that comes with any heavier bead. This is a strong pick for anglers who already fish Pheasant Tails and want a faster sinking version for deeper water, or for anyone restocking a specific size after losing flies to fish or snags. Anglers fishing shallow, weedy or slow water most of the season may prefer a lighter brass bead or unweighted tie instead. Those just starting a nymph box from nothing will likely get more immediate value from a multi-pattern assortment before narrowing in on a focused single-pattern pack like this one.

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