The 121 Hand Tied Fly Fishing Nymph Kit comes with a wide range of flies to cover all streams, rivers, and lakes. They are great for fly fishing with or without an indicator. They can be used for all trout, salmon, whitefish, pike, small mouth bass, large mouth bass, bonefish, barracuda, perch, tarpon and many more species of fish. There is no limit to the amount of fish that you will be landing in your net with these nymph patterns when out fly fishing.