by Fly Fisherman

Brown trout like the same three kinds of aquatic insects—mayflies, caddisflies and true-flies—and in the same order; but the Browns take about 80 percent of their food from mayfly nymphs and adult mayflies. This is twice the Rainbow percentage and four times the Brook trout percent for mayflies. Brown trout take a larger percent of their food from the surface of the water than do either Brook trout or Rainbows. This means that on percentage, Brown trout are a better dry fly fish than either Brook or Rainbows. Even with Brown trout, however, their menu for the year includes about eight nymphs, larvae or other under-water insects for each floating or adult fly taken.

It is important for the fly fishermen to notice not only whether there is a hatch on the stream, but whether the hatch is in an early stage (where only nymphs or larvae are developing) or in a later stage where adult flies and spent-spinners are floating on the water in large numbers. In the early stages of the hatch, wet flies or nymphs work best. In the later stages, dry flies or spent-wing flies are the most logical. The main thing to remember is: suit your fishing method to the way the trout are feeding at that particular time.

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