In theory, fly-fishing is a simple sport: Pick a body of water, choose a fly-fishing rod, select your “fly” (or bait), tie a secure knot, cast your line and, hopefully, land a fish on the other end.

Fly-fishing may be the purest sport there is. Tying a fly that emulates an insect in the water to a line, then stealthily casting that fly to fool a fish is high art in a gorgeous setting. It’s also ...

Streamer flies can mimic a variety of forage, but none is more common than baitfish. Unlike dry flies that match floating insects, and nymphs that look like aquatic insects in their larval stages, ...