Probably grow in both the creek and the lake. They're really tough little guys as nymphs and can tolerate flooded fields and even sewage ponds. Excellent examples of being able to make it in nearly every freshwater environment.
These larvae were found in the Russian River in moderate to fast flows. They prefer a rocky bottom. You have to be careful putting them in with mayfly nymphs or caddis larvae as they'll eat them. Mature larvae are 16-22 mm in length (not including antennae or cerci). They are found throughout...