We use sustainably caught albacore tuna sourced from the South Pacific, and add nothing else but water and a touch of sea salt. Blue Harbor Fish Co.™ tuna is Marine Stewardship Council certified and is caught using tracking system to help ensure the traceability of the catch all the way back to the boat. For us, it's the best way to catch the best tuna. 100% Line Caught Omega-3's Dolphin Safe® Simple Ingredients.Sustainably Caught.™