This delicate fish is a surprising treat at the end of a long day. Turbot is found in salt waters of both the Atlantic and Pacific oceans. It is also known as flounder, brill, fluke, and plaice. It is a member of the flatfish family, which also contains halibut. Any of those would make fine substitutions in this dish. Find this recipe and more in the second edition our best-selling cookbook, The Mediterranean Diabetes Cookbook. To order directly from the American Diabetes Association, click here .