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

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  3. Perch & walleye
  4. Walleye

Updated August 31, 2026

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Walleye: fish species profile

Fish › Perch & walleye

Perch & walleyePercidaeG5 (Secure) · ESA: Not listed · Idaho: SNA

Walleye

Sander vitreus

A low-light predator that prowls turbid lakes and big-river backwaters for fish after dark.

Overview

Size range

21–42 in

Size range

21–42 in

Size range

Typical adult length in the waters we cover.

Water temperature

Warmwater

Water temperature

Warmwater

Water temperature

Preferred thermal regime for this species.

Origin

Introduced

Origin

Introduced

Origin

Stocking and native history where this species is found.

About Walleye

Walleye are an introduced warmwater game fish in Idaho and belong to the perch family, Percidae. They can grow large, with fish over 20 inches common, and are built for feeding in low light.

Walleye Silhouette

  • Walleye species silhouette
    Primary

Behavior

spawning
Not anadromous; this profile has no Idaho-specific spawning note linked, but spawning occurs in freshwater.
feeding style
Mostly a night-feeding predator that hunts by sight in low light, keying heavily on fish but also taking insects and other available prey.
seasonal notes
Often use lakes, pools, backwaters, and river runs, with activity commonly strongest around dawn, dusk, and after dark; turbid water can extend their daytime bite.

Habitat

water types
warmwater lakes, large rivers, backwaters, pools, runs
preferred holds
Look for large, shallow, turbid lakes and for softer current areas in medium to large rivers, including pools, backwaters, and runs.

Where Found

  • Walleye

    Clark Fork River

Walleye on the podcast

  • Stillwater Master Class - Author Phil Rowley

    Episode 97 · Jul 17, 2019

    Stillwater Master Class - Author Phil Rowley

    Listen on the Barbless Podcast

Angler Tactics

tactics
Fish low-light periods and after dark around turbid flats, drop-offs, backwaters, and pool edges. Slow, steady presentations that stay near baitfish-holding water are often effective.
effective methods
jigs, minnow-imitating lures, crankbaits, live bait, night fishing presentations

Regulations

Always check the current Idaho fishing seasons and rules for the specific water before fishing, as limits and special regulations can vary by location.

Regulations vary by water. Check current Idaho Fish and Game rules before fishing.

Conservation

Status: Introduced to Idaho

G5 (Secure) · ESA: Not listed · Idaho: SNA

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OverviewSilhouetteBehaviorHabitatWhere FoundFrom the PodcastAngler TacticsRegulationsConservation

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On this profile

  • 1 water
  • 1 photo