This juvenile Chinook salmon was one of many attacking my fly in a surprisingly fast, deep pool on the Jim River, a tributary of the Koyukuk. There's no fishery there (or anywhere along the Dalton Highway, really) for the adult salmon, because they're too few in number and protected.
Troutnut.com is a collection of pictures and information about fly fishing. Fly fishermen, fly tiers, and trout enthusiasts of all stripes can learn more about life beneath the surface of trout streams, as well as how to better imitate aquatic insects with artificial flies to catch trout. There are aquatic insect pictures, underwater pictures, landscape pictures, and a comprehensive reference to the common names of trout stream insects.