I dont keep em under 30cm (too many small bones). Fillet, skin, debone....then a light dusting of flour...seasoned with salt and ground black pepper, and a pinch of curry powder, shallow fried in some peanut oil (with a teaspoon of sesame oil added). This works for most estuary fish .....my favourites done this way are Bream, Luderick, Black Drummer, Flathead, Whiting and soapy Jew. Not a huge fan of batter, though the flathead fillets i did tonight in a commercial packet batter came up a treat.....yummo.
Greg