Marinated anchovies (Γαύρος μαριναρισμένος)

When fish is as fresh as in Greece, you can make some Greek-style sushi - filleted and marinated gavros (anchovies). I didn't have parsley on hand when I was serving my gavraki. The green herb adds a bit of color contrast to this dish. You need*: 1 kilo very fresh gavros (anchovies) juice of 1 large lemon high-quality red wine vinegar rock salt olive oil 6 (or more) cloves of garlic, finely