
Fish › Char
Salvelinus namaycush
A deep-water char built for cold lakes, with the size and appetite to become a true trophy.
Size range
20–59 in
Size range
Typical adult length in the waters we cover.
Water temperature
Coldwater
Water temperature
Preferred thermal regime for this species.
Origin
Introduced
Origin
Stocking and native history where this species is found.
Mackinaw, or lake trout, are an introduced char in Idaho and can grow very large in cold-water lakes. FishBase notes they occur in both shallow and deep water in northern lakes and streams, but are generally tied to relatively deep lakes farther south.
Not yet linked to waters
This species has not been linked to a river or lake in our catalog yet.
Always check the current Idaho Fish and Game seasons and rules for the specific water before fishing, as lake-specific limits or exceptions may apply.
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.