The Columbia River redband trout, the inland redband trout or the interior redband trout[1] (Oncorhynchus mykiss gairdneri) is one of three redband trout subspecies of the rainbow trout in the family Salmonidae.[2] It is native in the Columbia River and its tributaries in Idaho, Oregon, Washington and Montana. It includes sea-run anadromous forms, which are known as redband steelhead. Also the large Kamloops rainbow trout is included.[3]
. Robert J. Behnke . Tomelleri, Joseph R. (illustrator) . Trout and Salmon of North America . The Free Press . 0-7432-2220-2 . 2002 . 65–122 . Rainbow and Redband Trout .