1In small glass or plastic bowl, mix all salsa ingredients. Cover; refrigerate at least 1 hour to blend flavors but no longer than 24 hours.
2Set oven control to broil. Spray broiler pan rack with cooking spray. Place fish on rack in broiler pan. Broil with tops about 4 inches from heat about 5 minutes or until fish flakes easily with fork. Serve tuna topped with salsa.