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NevadatroutLahontan cutthroatbrown troutrainbow troutbrook troutPyramid LakeEast WalkerRuby MountainsMountain West

Trout Species of Nevada

9 min read

Nevada has one native trout species — the Lahontan cutthroat trout, the largest cutthroat subspecies in North America and the signature fish of the Truckee–Pyramid Lake system. The other three trout you’ll catch in Nevada — Rainbow Trout, Brown Trout, and Brook Trout — are all introduced. The East Walker River below Bridgeport Reservoir holds some of the largest browns in the West, the Truckee through Reno delivers the most unlikely urban wild-trout fishery in the country, and the Ruby Mountains hold high-elevation brookie and Lahontan cutthroat water in glacier-carved canyons that feel more like Montana than Nevada.

Why Nevada Holds Trout at All

Nevada is the driest state in the country, but its trout water exists for two distinct reasons. The Sierra Nevada range catches enormous Pacific snowfall on its western slope and feeds cold water east into the Truckee, Carson, and Walker basins — all three of which historically terminated in Great Basin sinks (Pyramid Lake, Carson Sink, Walker Lake) before evaporating. The Ruby Mountains in northeast Nevada operate the same way at a smaller scale, with 11,000-foot peaks feeding cold limestone-spring water down through Lamoille Canyon. Add in dam-regulated tailwaters (East Walker below Bridgeport, Carson below various irrigation reservoirs) and you get a trout fishery tucked inside the largest desert basin in North America.

  • Sierra-front rivers — Truckee, East and West Walker, East Fork Carson — cold-water flow originates in the California Sierra and crosses into Nevada.
  • Great Basin headwaters — Lamoille Creek and South Fork Humboldt drain the Ruby Mountains and surrounding ranges in northeastern Nevada.
  • Tailwater stability — Bridgeport Reservoir on the East Walker maintains cold flows year-round, creating one of the largest trophy-brown fisheries in the western US.

Lahontan Cutthroat Trout — Nevada’s Native

Native — Federally listed Threatened — Pyramid Lake, Truckee River, Lamoille Creek

The Lahontan Cutthroat Trout (Oncorhynchus clarkii henshawi) is the largest cutthroat subspecies in North America and the only trout native to Nevada. The historical Pyramid Lake strain grew to over 40 lb (the IGFA world record for any cutthroat: a 41-lb fish caught from Pyramid Lake in 1925) but was thought extinct by the 1940s after irrigation diversions on the Truckee blocked spawning runs. A relict population was discovered on Pilot Peak in Utah’s Bonneville basin in the 1970s, and decades of recovery work — by the Pyramid Lake Paiute Tribe, USFWS, NDOW, and Trout Unlimited — restored the strain to the lake. Pyramid Lake now produces fish over 20 lb routinely, with 25-lb-plus fish documented every season.

ID at a glance

Throat slashesDistinct red-orange slashes under the jaw — diagnostic for all cutthroat subspecies.
SpottingHeavy spotting concentrated toward the tail, with larger and more irregular spots than rainbow trout.
BodySilver to bronze in the lake; coppery-bronze with more pronounced color in spawning fish moving up the Truckee.
Typical size6–15 lb routine on Pyramid Lake; 20-lb-plus fish documented every season; Pilot Peak strain fish can exceed 25 lb. River stretches hold smaller Lahontan cutthroat and resident strains.

Where to find them

Pyramid Lake is the trophy water — but requires a separate Pyramid Lake Paiute Tribe permit. The Truckee River below Derby Dam holds the seasonal run from December through April. Lamoille Creek in the Ruby Mountains has NDOW Lahontan cutthroat stocking alongside native and stocked brookies.

Brown Trout — The East Walker Trophy Class

Non-native (introduced) — Wild reproduction throughout Sierra-front rivers

The Brown Trout (Salmo trutta) is the trophy fish of Nevada’s Sierra-front rivers. The East Walker River below Bridgeport Reservoir is the standout — cold dam releases keep water temperatures favorable for browns year-round, and fish over 20 inches are common with regular reports of 5-lb-plus specimens. Wild reproduction is documented throughout the Truckee, East and West Walker, and East Fork Carson river systems.

ID at a glance

SpottingBlack and red spots on the back and flanks, often with pale halos around the spots — diagnostic for brown trout.
BodyButtery yellow-brown to olive-bronze, deepening to bronze on large mature fish.
TailSquare (no fork) and largely unspotted — distinguishes browns from rainbows.
Typical size12–18 inches on most water; trophy class 20+ inches routine in the East Walker tailwater; 5-lb-plus fish documented every season.

Where to find them

The East Walker River (Bridgeport tailwater) is the trophy water in the state for browns. The Truckee through Reno holds wild browns in deep pools below city bridges. The East Fork Carson and West Walker carry wild and stocked browns through the high-desert canyon country.

Rainbow Trout — The Stocking Backbone

Non-native (introduced) — Stocked across every Nevada trout stream

The Rainbow Trout (Oncorhynchus mykiss) is the most common trout in Nevada by sheer numbers. NDOW stocks rainbows across every accessible trout stream in the state — the Truckee, the Walkers, the East Fork Carson, Lamoille Creek, and the South Fork Humboldt all receive seasonal stocking. Holdover rainbows are common in the East Walker tailwater and in the deeper Truckee pools. Wild reproduction is limited but documented in cold spring-fed reaches.

ID at a glance

SpottingHeavy black spotting on a silvery body, spots covering the back, sides, and tail — diagnostic for rainbows.
StripePink-to-red lateral stripe running along the flank, brightest on mature spawning fish.
TailHeavily spotted, slightly forked.
Typical size9–14 inches across most stocked Nevada water; holdover and stream-grown rainbows 16–18 inches in the East Walker tailwater and Truckee pools.

Where to find them

Rainbows are heavily stocked across every Nevada trout stream. Highest densities are on the Truckee through Reno and on the South Fork Humboldt during the active spring-fall NDOW stocking calendar.

Brook Trout — Ruby Mountains and High Sierra

Non-native (introduced) — Ruby Mountains headwaters, West Walker headwaters

The Brook Trout (Salvelinus fontinalis) is the least common Nevada trout and is restricted to the coldest, highest-elevation streams in the state. Lamoille Creek in the Ruby Mountains holds the best brook trout fishery in Nevada — NDOW stocks brookies alongside Lahontan cutthroat in the canyon. Upper West Walker headwater reaches hold brookies in cold pocket water.

ID at a glance

VermiculationsWorm-like wavy markings on the back and dorsal fin — unmistakable and diagnostic.
SpottingRed spots with blue halos along the flanks (the only North American trout with blue halos).
FinsWhite leading edges on the lower fins (pectoral, pelvic, anal) followed by a black stripe — diagnostic.
Typical size6–10 inches in most Nevada headwater water; small-stream brookies rarely exceed 12 inches.

Where to find them

Lamoille Creek (Ruby Mountains) is the place. Look for brookies in the coldest, smallest, most-shaded sections of the canyon, and in cold pocket water above Lamoille Lake.

Quick Species Reference

SpeciesStatusField tellWhere
Lahontan Cutthroat TroutNative (federally Threatened)Red-orange throat slashes; heavy irregular spotting toward tail; silver-bronze bodyPyramid Lake (tribal permit) and the Truckee River seasonal run; Lamoille Creek stocking
Brown TroutNon-native (introduced)Halo spots (black and red with pale halos); square unspotted tail; buttery bodyEast Walker trophy tailwater; Truckee, Walkers, East Fork Carson statewide
Rainbow TroutNon-native (introduced)Heavy black spotting on silvery body; pink-red lateral stripe; spotted tailEvery Nevada trout stream — Truckee, Walkers, Carson, Lamoille, South Fork Humboldt
Brook TroutNon-native (introduced)Worm-like vermiculations on back; red spots with blue halos; white-edged orange finsLamoille Creek (Ruby Mountains); West Walker headwaters

Other Cold-Water Notes

Bull trout, Apache trout, Gila trout, and Rio Grande cutthroat are not present in Nevada. The Pyramid Lake system also holds cui-ui (Chasmistes cujus) — a federally endangered native sucker found nowhere else on Earth — which the Tribe and USFWS protect alongside the Lahontan cutthroat. Cui-ui are not a sport-fishing target. Nevada’s warmwater fisheries (Lahontan Reservoir, Lake Mead, Lake Mojave) hold largemouth and smallmouth bass, striped bass, and channel catfish but no trout fishery.