Saute first 3 ingredients in hot oil in Dutch oven or large saucepan until soft. Stir in next 5 ingredients; cover and simmer 20 minutes. Add white fish, shrimp and scallops; cook until fish and scallops are opaque and shrimp are pink, about 2 minutes. Add crab; cook 1 to 2 minutes, or until heated through. Stir in lite soy sauce and parsley. Serve immediately.