Cutbow trout
Henrys Fork of the Snake River
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Fish › Trout
Oncorhynchus clarkii × mykiss
A hard-fighting trout hybrid found where rainbow and cutthroat waters overlap in eastern Idaho.
Size range
12–39 in
Size range
Typical adult length in the waters we cover.
Water temperature
Coldwater
Water temperature
Preferred thermal regime for this species.
Active season
Year round
Active season
When anglers most often encounter this species.
Origin
Hybrid
Origin
Stocking and native history where this species is found.
Habitat
Rivers & Large Rivers, Lakes & Reservoirs
Habitat
Primary water types where this species is found.
Cutbows are hybrids of rainbow trout and cutthroat trout. Idaho anglers most often run into them in cold eastern Idaho rivers such as the Henrys Fork, South Fork Snake, Snake, and Teton where both parent species occur.
They feed on insects, crustaceans, and small fish.
Regulations can vary by river section and may follow trout rules rather than a separate cutbow listing. Always check the specific Idaho Fish and Game seasons and rules for the exact water you plan to fish.
Regulations vary by water. Check current Idaho Fish and Game rules before fishing.
Status: Hybrid — rainbow trout × cutthroat trout
Browse species profiles with habitat, diet, tactics, and linked waters across the state.
Cutbow trout
Henrys Fork of the Snake River, Box Canyon to Riverside
