CDC Perdigon
CDC Perdigon is a modern hybrid that mixes the sink rate of a perdigon with a touch of soft movement behind the bead for selective trout. It supports CDC Perdigon, soft-collar euro nymph, and best tactical trout nymph searches.
Imitates: Mayfly nymphs and emerging subsurface insects
Quick Reference
- Best Sizes
- #14-18
- Best Season
- Spring through fall
- Best Conditions
- Clear riffles, transitional seams, and fish that inspect flies closely
- Water Temp
- 44-60°F
- Recommended Tippet
- 5X-6X
How to Rig It
Fish it above a heavier anchor fly or alone in moderate current.
How to Present It
Drift naturally and let the CDC breathe during tiny pauses and current changes.
Why It Works
The CDC adds life without ruining the slim competition profile.
History
As euro nymphing matured, tiers added small movement features to otherwise rigid fast-sinking patterns.
Pro Tip
This fly shines when trout follow standard perdigons but commit only at the last second.
Frequently Asked Questions
When should I fish CDC Perdigon?+
Fish it when trout need a little more movement than a standard rigid perdigon offers.
Not sure if CDC Perdigon is right today?
Get a fly recommendation based on live water temp, flow, sky, and time of day for any river in the US.
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