Carp
Snake River, Swan Falls Dam to Brownlee Reservoir

Fish › Carp & minnows
Cyprinus carpio
Common carp are powerful, adaptable bottom feeders built for the Snake’s warm, slower water.
Size range
12–47 in
Size range
Typical adult length in the waters we cover.
Water temperature
Warmwater
Water temperature
Preferred thermal regime for this species.
Active season
Spring through fall
Active season
When anglers most often encounter this species.
Origin
Introduced
Origin
Stocking and native history where this species is found.
Habitat
Lowland & Warmwater, Rivers & Large Rivers, Lakes & Reservoirs
Habitat
Primary water types where this species is found.
Common carp are an introduced rough fish in Idaho and are well established in warm, low-gradient sections of the Snake River. They tolerate muddy, low-oxygen habitats, grow large, and are a familiar target anywhere soft-bottom water slows down.
Carp grub through mud for detritus, plants, and bottom-dwelling invertebrates, but may also sip insects off the surface.
Always check the current Idaho seasons and rules for the Snake River reach you plan to fish, including any bait, gear, or boundary-specific restrictions.
Regulations vary by water. Check current Idaho Fish and Game rules before fishing.
Status: Introduced to Idaho
G5 (Secure) · ESA: Not listed · Idaho: SNABrowse species profiles with habitat, diet, tactics, and linked waters across the state.