When to use it
- Only where an egg, flesh, or spawning-food presentation is legal, ethical, and biologically plausible.
- Use the linked river report as a planning lead, then verify current regulations and local conditions before choosing the fly.
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Reviewed representative comparison← Fly Box
Pattern family · guide 125
Salmon Alevin Patterns
A fry-stage family showing a small fish profile with a conspicuous attached yolk-sac shape.
- Size range
- No universal size; match the target species, legal hook rules, tackle, and local forage
- Colors reviewed
- pearl and gray, orange or pink yolk sac, olive back
- Imitates
- newly hatched salmon alevin
Alevin patterns combine a tiny translucent fry body and tail with a rounded orange or pink yolk sac beneath the front half. Egg flies and free-swimming smolt or baitfish patterns represent different stages.
Technical illustration
Representative forms
Salmon Alevin Patterns comparison map
A family-level comparison of Sparse fry form, Bead-sac alevin, Soft yolk-sac alevin; no single drawing represents the whole family.
- View
- silhouette and construction comparison
- Color shown
- pearl-gray fry with orange or pink yolk sacs
- Look for
- sparse fry form; bead-sac alevin; soft yolk-sac alevin
On the water
Narrow the family.
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.
How to fish it
- Use the minimum legal weight and depth adjustment needed for a natural drift; the fly should be taken voluntarily in the mouth.
- Change depth, angle, speed, or pause length before assuming color alone is the problem.
Mistakes to avoid
- Treating every member of the family as one exact recipe.
- Using a report label as permission to fish through closures, spawning fish, redds, restricted water, or a prohibited rig.
Variant control
Small changes matter.
The comparison map separates materially different silhouettes or constructions. It is a family guide—not a claim that one drawing represents every regional, commercial, or guide-tied version.
Representative family forms
Alevin patterns combine a tiny translucent fry body and tail with a rounded orange or pink yolk sac beneath the front half. Egg flies and free-swimming smolt or baitfish patterns represent different stages.- Colors shown
- pearl and gray, orange or pink yolk sac, olive back
- Weighting
- Weight, line density, hook system, and current determine depth; construction alone does not.
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.