Combine first 7 ingredients in a large zip-top plastic bag.
Add fish to bag; seal. Marinate in refrigerator 1 1/2 hours, turning occasionally.
Heat a large nonstick skillet over medium-high heat. Coat pan with cooking spray.
Add fish and marinade to pan; cook fish 4 minutes on each side or until fish flakes easily when tested with a fork or until desired degree of doneness.
Place 1 fillet on each of 4 plates; drizzle each serving with about 2 teaspoons sauce.
Sprinkle each serving with 1 tablespoon green onions and 3/4 teaspoon sesame seeds.