fly fishing man using copper john nymphs on a river

Copper John: Pattern History and Fishing Techniques

copper johnNick
The Copper John is one of the most effective and versatile nymph patterns in fly fishing. Created by John Barr in the late 1990s, its slim profile, copper wire body, and bead head design have made it a staple in fly boxes worldwide. Here's the history and how to fish it.