Tungsten Surveyor
The Tungsten Surveyor is a modern jig nymph with a hot collar, peacock body, and fast-sinking tungsten bead, designed for technical trout in deeper runs. It supports Tungsten Surveyor fly pattern, jig nymph for trout, and hot-spot nymph fly searches.
Imitates: Baetis nymphs, small mayflies, and attractor nymph prey
Quick Reference
- Best Sizes
- #14-18
- Best Season
- Year-round
- Best Conditions
- Deep seams, tailwaters, euro nymphing, and cold clear rivers
- Water Temp
- 38-60°F
- Recommended Tippet
- 4X-6X
How to Rig It
Fish as the point fly in a euro rig or under an indicator when fast depth matters.
How to Present It
Dead-drift tight to bottom with short drifts and frequent depth checks.
Why It Works
The tungsten bead gets it down immediately while the hot collar gives trout a clear strike trigger.
History
The Surveyor family became a western staple in competitive and technical nymphing circles, with tungsten versions following naturally.
Pro Tip
Pair it with a drabber trailer — the Surveyor draws attention and the second fly often gets the eat.
Frequently Asked Questions
What makes a Tungsten Surveyor different?+
It is the heavier, faster-sinking version of the Surveyor, ideal for getting into the strike zone quickly.
Not sure if Tungsten Surveyor is right today?
Get a fly recommendation based on live water temp, flow, sky, and time of day for any river in the US.
Open Fly Advisor
Map
Fly Guide