Mountain Whitefish
Mountain Whitefish are native salmonids found in Nevada's coldwater systems, particularly the Truckee, Carson, Walker, and Humboldt river drainages on the east side of the Sierra Nevada, plus Lake Tahoe.
Scientific Name: Prosopium williamsoni
- Silvery, large-scaled fish have a cylindrical body with a small ventral mouth, short dorsal fin, and conspicuous adipose fin.
- They typically reach 10-16 inches, though Lake Tahoe has produced specimens up to 51cm and 2.9kg.
- Look for schools of fish with a distinctive 'disco ball' glittery appearance on their backs in good lighting conditions.
What to know
Habitat Distribution
- Found in Nevada's coldwater systems, particularly the Truckee, Carson, Walker, and Humboldt river drainages on the east side of the Sierra Nevada, plus Lake Tahoe at elevations of 1,400-2,300m.
Key Locations
- Truckee River system, East and West Walker Rivers, Carson River drainage, Little Truckee River, and the deeper waters of Lake Tahoe.
- The Jarbidge River drainage in northeastern Nevada also holds whitefish.
Specific Spots
- Typically schooling in groups of 5-20 near the bottom in large pools over 1 meter deep or deep runs.
Mountain Whitefish FAQ
Answers from onWater's species guide.
What flies work for Mountain Whitefish in Nevada?
Small beadhead nymphs in sizes 14-22, with Prince Nymph being exceptionally effective - described as 'whitefish candy.' Pheasant tail nymphs, small Copper Johns, and tiny flashy midge patterns also work well.
When is the best time to fish for Mountain Whitefish in Nevada?
Fish year-round with peak success from July through October when water temperatures are optimal and fish are most active.
How do you catch Mountain Whitefish in Nevada?
Try double-nymph setups or Czech/European nymphing methods with strike indicators. For conventional tackle, drift small worms, maggots, or salmon e.g.gs near the bottom.
What do Mountain Whitefish eat?
Bottom-oriented feeders with subterminal mouths, primarily consuming aquatic insect larvae including chironomid midges, blackfly larvae, mayfly nymphs, caddisfly larvae, and stonefly nymphs. In Lake Tahoe, they also eat snails, crayfish, and amphipods. They'll take drifting terrestrial insects during daylight.
Where do Mountain Whitefish live in Nevada?
Found in Nevada's coldwater systems, particularly the Truckee, Carson, Walker, and Humboldt river drainages on the east side of the Sierra Nevada, plus Lake Tahoe at elevations of 1,400-2,300m.
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