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© 2026 Barbless.co. Flow and gauge data from USGS; weather from Open-Meteo. · v2026.10.18.2

  1. Home
  2. Hatches & Forage
  3. Crustaceans
  4. Scud

Updated August 26, 2026

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Hatches › Crustacean

CrustaceanForage

Scud

Amphipoda · order

A year-round stillwater staple. Scuds live in weed beds and shallows and are available to trout every day of the year, which is why an olive or pink scud searches a lake well when nothing is showing on the surface.

Overview

Category

Crustacean

Category

Crustacean

Category

The insect or forage category for this profile.

Key stages

Juvenile, Adult

Key stages

Juvenile, Adult

Key stages

Life stages most relevant to fly fishing this hatch or forage.

About Scud

Overview in progress

Detailed hatch and forage notes for this profile are being added. Check back for identification, life history, and angler tips.

Also known as: freshwater shrimp, sideswimmer, gammarus

Life Cycle

JuvenileAdult

Where It Hatches

Not yet recorded on a featured water

Rivers and lakes where this hatch or forage item matters will appear here.

Eaten By

No fish food-web links recorded yet

Fish species that feed on this bug or forage item will appear here as food-web links are added.

On this page

OverviewLife CycleWhere It HatchesEaten By

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IDFG Planner

On this profile

  • 2 life stages

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