Cioppino

Name: Cioppino
Ingredients: 1⁄4 cup olive oil; 1 tsp. crushed red chile flakes; 8 cloves garlic, finely chopped; 3 cups fish stock; 1 1⁄2 cups whole peeled tomatoes in juice, crushed; 10 leaves basil; 1 lb. cod, cut into 2″ chunks; 1 lb. cleaned calamari, bodies cut into 1/2″-wide rings; 12 oz. medium shrimp, deveined; 12 oz. bay scallops; 16 clams, cleaned; 16 mussels, cleaned; 2 (2-lb.) Dungeness crabs or snow crab legs, halved; Kosher salt and freshly ground black pepper, to taste