Look for fish that weigh about 1 pound each. If you don’t have a nonstick pan, you can prevent the fish from sticking by leaving the scales on (though some fish, like mackerel, don’t have scales), by flouring the fish, or by cooking the fish over very high heat for the first minute on both sides. Rapidly moving the sauté pan back and forth on the burner during the first minute of sautéing on