Moqueca de Peixe

Name: Moqueca de Peixe
Ingredients: 2 tablespoons olive oil; 1 medium onion, cut into 1/4inch dice; 1 red bell pepper, cored, seeded, and cut into 1/4inch dice; 1 green bell pepper, cored, seeded, and cut into 1/4inch dice; 1 yellow bell pepper, cored, seeded, and cut into 1/4inch dice; 2 plum tomatoes, seeded and cut into 1/4inch dice; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1 1/2 serrano chiles, stemmed, seeded, and minced; 3 cups fish stock or bottled clam juice; 1 can (14 1/2 ounce) canned coconut milk; 6 green onions, white and light green parts only, finely sliced; 1 pound sea scallops; 1 pound monkfish fillets, cut into 1inch cubes; 1 pound rock shrimp, shelled and deveined; Juice of 1 lime; 2 tablespoons dende oil (see Note); 1/3 cup loosely packed cilantro leaves, coarsely chopped; 1/3 cup unsweetened coconut shards, lightly toasted, for garnish; 2 limes, flesh cut into supremes and diced; Fried plantains, for serving (optional); Cooked white rice, for serving (optional)