National Geographic : 1939 Feb
() National Geographic Society Painting by Hashime Murayama PRINCE OF SWIFT MOUNTAIN STREAMS, THE LEAPING RAINBOW TROUT IS A FAVORITE OFTHE FLY FISHERMAN Originating west of the Rocky Mountains and the Sierra Nevada, from Alaska to northern Mexico, theRAINBOW TROUT (Salmo gairdnerii) has been transplanted to the eastern United States and Canada, to Europe, and, with particular success, to New Zealand. When itgoes tosea, this species is known as the STEELHEAD TROUT. An important food fish that may attain a weight of 25 pounds, the steelhead variety reproduces infresh water, but, unlike Pacific salmons, does not die after spawning. Both landlocked and sea-run variants take the fly readily and put up asturdy and acrobatic battle.