The Trout Stream

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Anatomy of a Trout Stream
Structures: · Riffles · Runs · Pools · Flats
Water: Freestone:  mountains, geologic non-sedimentary, run-off
Limestone:  valley, geologic structure, sedimentary rock
 
Needs of the Trout
Protection: Find the edges where trout wait for food:
Currents, rocks, bridge shadows, depth, velocity changes
  Safety: From predators 
Comfort: · Temperature · pH · O2 · Purity
Trout Feeding Temp Range Optimum Temp Maximum Temp
Brook 52°F - 63°F 58°F 75°F
Trout 55°F - 65°F 61°F 78°F
Rainbow 55°F - 65°F 61°F 78°F
When water warms to near critical temperature, trout start to move. This is due to the fact that warmer water cannot hold sufficient O2. Their first move is to riffles; then they migrate to cooler water. Hooking mortality increases significantly at higher temps.
Food: · Insects · Crustaceans · Forage fish · Terrestrials
 
Fishing Strategy
1. Read the Environment: · Protection · Safety · Comfort · Food
2. Fly Selection: · Size · Shape · Color
3. Position/Approach: · Depth · Clarity · Position
4. Cast & Technique: Compliment to 1, 2, and 3
 
© 2002 Mark Belden and the Pennsylvania State University

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updated 08 Sep 2002