You can use Spey techniques and two-handed rods for almost anything that swims in moving water.
Making the Switch Part 2: Switch or Spey - Flylords Mag
Spey Switch Two Handed Fly Fishing - Pike Carp Bass Catfish - Winnipeg
Newf-Angled Spey Dangle: Loop 7X 13' 7-Weight Review
Try a New Way: Trout Spey
Spey rod hi-res stock photography and images - Alamy
Try a New Way: Trout Spey
Spey Rod - Fly Fisherman
Sage Fly Rods
Spey rods love the outdoor quick hang up Fly fishing, Fly fishing rods, Fly fishing gear
Why You Should Be Spey Casting
Choosing a Fly Reel for a Spey or Switch Rod - Trident Fly Fishing
Going Spey: What Should I Look For in a Spey Rod? - Fly Fisherman