Photo: Custom illustration. Naturalist Study - Plate No. V.
Fly pattern
Blob
The unconventional ace for finicky stillwater trout — a bright ball of fritz that loosely suggests a clump of zooplankton. When fish are keyed on plankton (near-impossible to match), a blob is often the answer. Hang on; the takes can be violent.
Key points
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Imitates / suggests: a zooplankton ball / general trigger; works when fish aren't keyed on a specific food fly technique articles 2026 06.
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Fish it: under a strike indicator, or fast-retrieved on a sinking line fly technique articles 2026 06.
Imitates
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zooplankton (loosely) — otherwise a pure attractor.