Barracuda are a great fish to target with a fly rod.  Think of barracuda as the northern pike of saltwater, except these fish are bigger, stronger, faster and even more aggressive.  Just imagine the fight they could put up on a fly rod.  Barracuda can be found in many shallow water areas as they ambush a variety of smaller bait fish.  Make sure to imitate a wounded baitfish and you will have a good chance of getting a strike from a barracuda.