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  4. Coastal Cutthroat Trout

Updated October 23, 2026

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Fish › Trout

TroutSalmonidaeG5T4 (Apparently secure) · ESA: Not listedAnadromous

Coastal Cutthroat Trout

Oncorhynchus clarkii clarkii

The cutthroat of the coast range, resident in small redwood and fir streams and sea-run in the rivers that reach the Pacific.

Overview

Size range

8–24 in

Size range

8–24 in

Size range

Typical adult length in the waters we cover.

Water temperature

Coldwater

Water temperature

Coldwater

Water temperature

Preferred thermal regime for this species.

Active season

Year round in coastal creeks; sea-run fish late summer through winter

Active season

Year round in coastal creeks; sea-run fish late summer through winter

Active season

When anglers most often encounter this species.

Origin

Native

Origin

Native

Origin

Stocking and native history where this species is found.

Habitat

Headwater Streams, Rivers & Large Rivers, Anadromous & Migratory

Habitat

Headwater Streams, Rivers & Large Rivers, Anadromous & Migratory

Habitat

Primary water types where this species is found.

About Coastal Cutthroat Trout

Coastal cutthroat trout are the westernmost cutthroat, native to streams and rivers that drain to the Pacific from northern California through Alaska. Many live their whole lives in small coastal creeks; others move between river and estuary, feeding in salt water for a few months each year and returning as sea-run fish from late summer into winter. They are the only cutthroat with a sea-going form.

Also known as: sea-run cutthroat, harvest trout, bluebacks

Behavior

spawning
Spawns in small tributaries from late winter into spring, often in streams too small for salmon
or
steelhead
to use.
feeding style
An opportunist that takes insects, amphipods, sculpins and salmon fry; sea-run fish in the estuary feed heavily on small baitfish and shrimp.
seasonal notes
Sea-run fish gather in lower rivers and estuaries from late summer through fall; resident fish hold in coastal creeks year round and fish best once winter flows drop.

Habitat

water types
coastal streams, tidal rivers, estuaries, beaver ponds
preferred holds
Undercut banks, woody debris and tailouts in small forest streams; current seams and drop-offs where a tidal river meets the estuary.

Where Found

California5

Blue Ribbon waters

  • Coastal Cutthroat Trout

    Smith River

Recommended waters

  • Coastal Cutthroat Trout

    Eel River

  • Coastal Cutthroat Trout

    Klamath River

    Unverified (species research 2026-11-01): Listed on the fish report page for the Hornbrook reach, but that page describes historical/expected fish; cutthroat are tributary fish in CA.

Oregon3

Blue Ribbon waters

  • Coastal Cutthroat Trout

    Chetco River

Recommended waters

Coastal Cutthroat Trout on the podcast

  • Captain Bryce Tedford - Stripers, Smallmouth, Largemouth, and moving to California

    Episode 174 · Jan 24, 2022

    Captain Bryce Tedford - Stripers, Smallmouth, Largemouth, and moving to California

    Listen on the Barbless Podcast

Diet

Aquatic insects, amphipods and sculpins in fresh water; small baitfish and shrimp while at sea.

  • Blue-winged OliveInferred
  • CaddisInferred
  • Golden StoneflyInferred
  • March BrownInferred
  • October CaddisInferred
  • Salmon EggsInferred
  • SalmonflyInferred
  • SkwalaInferred
  • Yellow SallyInferred

Angler Tactics

tactics
Fish small streamers and attractor dries in the creeks, and swing or strip baitfish and shrimp patterns through the lower river on a floating or intermediate line when the sea-run fish are in.
effective methods
small streamers, attractor dry flies, swung baitfish patterns, shrimp and amphipod flies, light spinners

Regulations

Coastal cutthroat are often catch-and-release or limited to a short season, and the sea-run fish share water with protected salmon and steelhead. Check the current rules for the specific river before fishing.

Regulations vary by state and water. Check the current rules for the water you are fishing.

Conservation

Status: Native to Pacific coastal drainages from northern California to Alaska

G5T4 (Apparently secure) · ESA: Not listed

Runs between freshwater and the ocean.

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On this page

OverviewBehaviorHabitatWhere FoundFrom the PodcastDietAngler TacticsRegulationsConservation

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IDFG Planner

On this profile

  • 8 waters
  • 9 food sources

Coastal Cutthroat Trout

Middle Fork Smith River

  • Coastal Cutthroat Trout

    South Fork Smith River

  • Coastal Cutthroat Trout

    Rogue River

  • Coastal Cutthroat Trout

    Sixes River

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