Liquefy the tomatoes in a blender and pour into a large pan.
Add salt as desired, garlic whole or chopped as desired, a slice of red pepper, one peperoncino, and a heavy dose of EV olive oil (later some can be removed if desired)
Cover the sauce and cook for about 20 minutes.
Add the fish: first the clams and mussels, then the lobster with the shell on, the shrimp also deveined but with the shell on and the cod fish.
Cook everything for about 15 minutes (check that the clams and mussels have opened, otherwise discard).
Add the calamari and cook for about 3 minutes.
Add the basil and chopped parsley.
Serve over spaghetti or linguine... Al Dente of course!