Largemouth bass
Snake River, American Falls Reservoir to Gem Lake Dam
Updated
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Fish › Bass & panfish
Micropterus salmoides
A warmwater predator that thrives around shallow cover and hits hardest in low-light periods.
Size range
16–38 in
Size range
Typical adult length in the waters we cover.
Water temperature
Warmwater
Water temperature
Preferred thermal regime for this species.
Origin
Introduced
Origin
Stocking and native history where this species is found.
Largemouth bass are an introduced warmwater sport fish in Idaho. They inhabit lakes and some streams, especially shallow, weedy, cover-rich water where ambush feeding is effective.
Also known as: largemouth
Check the current Idaho fishing seasons and rules for the specific water before fishing, as bass limits and harvest rules can vary by location.
Regulations vary by water. Check current Idaho Fish and Game rules before fishing.
Status: Introduced to Idaho
GNR · ESA: Not listedBrowse species profiles with habitat, diet, tactics, and linked waters across the state.