a large trout of western Canada, Salmo clarkii, so called from a red streak under each side of the lower jaw.
- 1918  (1919)  . . . these lakes are full of cutthroat trout, and what the whites call Dolly Varden trout, and whitefish.
- 1966  . . . the sand pool . . . at this time of year is often filled with cutthroat trout and sometimes is holding water for steel head.