There are a number of different options when it comes to fish for the barbecue. You can marinate it, dice it, and even make burgers. If you want a truly impressive main course, try a whole sea bass. The bones in the flesh add a rich flavour, while the skin provides a juicy surface for grilling. The best fish for barbecuing is sardines, mackerel, trout, and red mullet. All of these types of fish are available in most supermarkets and are affordable. Some of the best fish to grill are those that are firm and not prone to breaking apart...