1. Thinly slice chiles; discard stems. Combine 1/2 cup sliced chiles, tomato, and vinegar in a small bowl; set aside.
2. Melt butter in a Dutch oven over medium-high heat; swirl until butter foams. Add remaining sliced chiles, leek, thyme, and 1/4 teaspoon salt; sauté 3 minutes or until softened. Add tomato paste and sweet and hot paprikas; cook 30 seconds, stirring constantly. Add remaining 1/4 teaspoon salt, clam juice, stock, and wine. Bring to a boil; cover, reduce heat, and simmer 10 minutes. Add fish; cover and simmer 5 minutes or until fish flakes easily when tested with a fork. Ladle soup into shallow bowls; top with tomato mixture. Sprinkle evenly with dill.