Cioppino

Ingredients

• ["1 teaspoon fennel seeds", "3 tablespoons olive oil", "1 medium onion, finely chopped", "1 small (or 1/2 large) fennel bulb, finely chopped", "4 garlic cloves, coarsely chopped", "3 bay leaves", "1 teaspoon dried oregano", "1/2 teaspoon crushed red pepper flakes", "Kosher salt and freshly ground black pepper", "1 28-ounce can whole peeled tomatoes, crushed by hand, juices reserved", "1 1/2 cups dry white wine", "1 8-ounce bottle clam juice", "1 pound skinless fillets haddock or U.S. Pacific cod, cut into 1\" pieces""