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Lahontan Cutthroat Trout

Lahontan Cutthroat Trout

Lahontan Cutthroat Trout are the largest subspecies of cutthroat trout, capable of reaching over 20 pounds, with the world record of 41 pounds caught at Pyramid Lake.

In California, they're native to the Carson, Truckee, and Walker river basins, plus Lake Tahoe tributaries, though they've been extirpated from nearly 95% of their native habitat.

Physical Characteristics:
  • Lake-dwelling fish are pale gold or silver with pink/purple hues and greenish-bronze to dark olive backs, while stream fish are smaller with purple/bluish hues and retain parr marks.
  • They're distinguished by their characteristic red 'cutthroat' slash under the jaw, large rounded black spots, and high number of gill rakers (21-28).

What to know

Habitat Distribution

  • They now persist in less than 5% of original stream habitat and only 0.4% of original lake habitat in California.

Key Locations

  • Current populations exist in only 16 lakes and streams within their historical range, including Independence Lake, Fallen Leaf Lake, Heenan Lake, Upper Truckee River, and tributaries.
  • Additional populations have been established in nine creeks outside their native range through stocking efforts.
  • The Upper Truckee River offers some of the best stream fishing, while Independence Lake and Fallen Leaf Lake provide lake fishing opportunities.
  • Heenan Lake serves as a broodstock water with special regulations.

Specific Spots

  • Focus on streams with well-vegetated banks, pools with cover nearby, and riffle-run complexes.
  • In lakes, fish areas with freshwater shrimp populations where available, as these provide excellent forage for rapid growth.
  • Look for nick points (transition areas between confined and less confined valley reaches) which tend to concentrate fish.

Lahontan Cutthroat Trout FAQ

Answers from onWater's species guide.

What are the best lures and bait for Lahontan Cutthroat Trout in California?

Small spinners, jigs, or fly-and-bubble combinations. Half nightcrawlers work well for larger sea-run types in coastal areas, and live grasshoppers are excellent bait when available.

What flies work for Lahontan Cutthroat Trout in California?

Effective dry fly patterns include Parachute Adams, Stimulators, Royal Wulffs, Chubby Chernobyl, and Hippie Stomper patterns. During warmer months, terrestrial patterns like hoppers are highly effective. Wooly Buggers work well in lakes.

When is the best time to fish for Lahontan Cutthroat Trout in California?

Target from late summer through fall and winter months, avoiding April through July spawning periods.

How do you catch Lahontan Cutthroat Trout in California?

They're known for willingness to rise to dry flies, making them excellent targets for fly fishing. For subsurface fishing, use nymph droppers below dry flies or fish nymphs under indicators. Wooly Buggers work well in lakes, stripped slowly along the bottom or at varying depths.

What do Lahontan Cutthroat Trout eat?

They feed primarily on terrestrial and aquatic invertebrates, leeches, and small fish as they grow larger. Large lake fish become piscivorous, feeding on chub and other prey fish.

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