Technical reviewed side profile illustration of the Griffith's Gnat showing peacock-herl body, palmered grizzly hackle, no tail, no separate wingReviewed technical illustration
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Dry · guide 10

Griffith's Gnat

A tiny peacock-and-grizzly pattern used for individual midges, clusters, and other very small surface food.

Common size
#14–24
Colors reviewed
peacock and grizzly
Imitates
adult midge, midge cluster, tiny surface insect
How to recognize it

A peacock-herl body wrapped end-to-end with grizzly hackle, with no separate tail or wing. The separately named Griffith's Gnat Emerger is not this same pattern.

Technical reviewed side profile illustration of the Griffith's Gnat showing peacock-herl body, palmered grizzly hackle, no tail, no separate wing
Technical illustration

Griffith's Gnat reviewed side profile

A schematic profile emphasizing peacock-herl body and palmered grizzly hackle.

View
reviewed side profile
Color shown
peacock body and grizzly hackle
Look for
peacock-herl body; palmered grizzly hackle; no tail; no separate wing
Open full-size image

On the water

Understand it. Then fish it.

The river, depth, insects, and fish behavior still decide the final presentation. These are reviewed starting points—not a claim about what is happening today.

01

When to use it

  • When trout rise to midges too small to see individually.
  • During midge-cluster activity.
  • As a small general surface pattern in calm water.
02

How to fish it

  • Dead-drift to a specific feeding lane.
  • Track it with a nearby larger dry when visibility is poor.
  • Let it swing just under the surface only after the dry drift.
03

Mistakes to avoid

  • Confusing the classic with the trailing-shuck emerger variant.
  • Oversizing it for the insects present.
  • Adding an unrelated wing and keeping the same name.

Variant control

Small changes matter.

Three reviewed technical illustrations provide a profile, material map, and presentation view. They are identification aids, not photorealistic substitutes for tied examples.

Reviewed core form

A peacock-herl body wrapped end-to-end with grizzly hackle, with no separate tail or wing. The separately named Griffith's Gnat Emerger is not this same pattern.
Colors shown
peacock and grizzly
Weighting
Weighting is stated in the identification and use notes when it defines the reviewed form.

Review trail

Sources, rights, and limits.

Pattern facts were reviewed on 2026-07-12. Every image has its own rights record; photographed hand-tied flies may still vary slightly in proportion.

Pattern sources

Orvis NewsTying the Griffith's Gnat

Image credits

BlueStreamFly-owned original technical illustration© 2026 BlueStreamFly · Mountain Brook Run LLCBlueStreamFly-owned original technical illustration© 2026 BlueStreamFly · Mountain Brook Run LLCBlueStreamFly-owned original technical illustration© 2026 BlueStreamFly · Mountain Brook Run LLC