Italian Fish Stew

Name: Italian Fish Stew
Cuisine: European, Italian, Mediterranean
Ingredients: 300g firm white fish (such as cod or monkfish), cut into chunks; 200g squid, cleaned and sliced into rings; 200g octopus or cuttlefish, cut into bite-sized pieces; 200g clams, cleaned; 200g mussels, cleaned and debearded; 150g shrimp or prawns, peeled and deveined; 400g canned crushed tomatoes (preferably San Marzano); 1 small onion, finely chopped; 4 cloves garlic, minced; 1 small chili pepper, finely chopped (optional, for heat); 1 celery stalk, finely chopped; 1 carrot, finely chopped; 150ml dry red wine; 500ml fish stock (or vegetable broth); 4 tbsp extra virgin olive oil; 2 tbsp fresh parsley, chopped; Salt and freshly ground black pepper (to taste); Toasted bread slices, rubbed with garlic (for serving)