In a large wide-bottom pot, bring the water, oil, tomatoes, red pepper flakes, cloves, bay leaves, and paprika to a boil. Meanwhile, coarsely grind the garlic, parsley, cilantro, and preserved lemon in a food processor using the pulse button. Add the ground mixture to the pot and stir. Add the red pepper and the fish and bring to a boil. Reduce the temperature to medium and cook covered for 20 minutes. Serve hot or at room temperature, topping each serving with the sauce. Makes 8 servings.