"It was a wonderul morning, with a sky of indescribable blue and big, clean-looking cumulus clouds, and the water was sparkling and alive. You have seen the water with that lively look; you have also seen it dead and uninviting in a way that dampens the enthusiasm the moment you wade out into the current."
Time of day: Evening
Habitat: Riffles and runs
Current speed: Medium to Fast
Substrate: Usually vegetation, occasionally elsewhere.