Egan's Tailwater Sowbug
Imitates: Aquatic sowbug (Asellus)
Quick Reference
- Best Sizes
- #14-18
- Best Season
- Year-round
- Best Conditions
- Tailwaters, weed-rich rivers, technical trout, dropper rigs
- Water Temp
- 38-62°F
- Recommended Tippet
- 5X-6X fluorocarbon
How to Rig It
Fish as a small dropper below a heavier anchor fly or directly under an indicator in slow tailwater pools.
How to Present It
Dead-drift along weedlines, drop-offs, and slow seams where sowbugs live. Keep the drift slow and natural — sowbugs do not move fast.
Why It Works
The pinkish-gray dubbed body matches the natural sowbug color almost perfectly, while the picked-out fibers and shellback create the segmented buggy profile trout key on.
History
Lance Egan refined the tailwater sowbug for rivers like the Green and the San Juan, where sowbugs make up a massive share of the trout's daily diet.
Pro Tip
On Western tailwaters, this is often the best searching fly in your box. If trout are eating but you can't see what, drift a Tailwater Sowbug.
Frequently Asked Questions
What is the difference between a sowbug and a scud?+
Both are crustaceans, but sowbugs are flatter and more uniform in shape, while scuds curl and have a distinct shrimp profile.
Why does sowbug color matter so much?+
Trout in sowbug-rich tailwaters see them all day. A natural pink-gray color closely matches the live insect and outproduces brighter attractor variations.
Not sure if Egan's Tailwater Sowbug is right today?
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