Lay the pizza crusts out in a greased form for pizza. Spread the tomato paste on top, then the cut onion rings, then the cut into thin slices zucchini.
Next, evenly distribute the chopped octopus, calamari and whole shrimps. Sprinkle with plenty of salt, pepper, basil, thyme and olive oil on top.
Put to bake in a moderate oven to a light tan, then sprinkle with the cheese and bake until golden.