The best way to tell if your fish is done is by testing it with a fork at an angle, at the thickest point, and twist gently. The fish will flake easily when it's done and it will lose its translucent or raw appearance. A good rule of thumb is to cook the fish to an internal temperature of 140-145 degrees.

Can you eat undercooked fish?

For most healthy people who choose to eat raw or undercooked seafood, it may only pose a small health risk but for others the risk can be severe. ... Major types of food poisoning that can result from eating raw or undercooked fish and shellfish include Salmonella and Vibrio vulnificus.

How long does it take to cook fish?

Cook fish about 10 minutes per inch, turning it halfway through the cooking time. For example, a 1-inch fish steak should be cooked 5 minutes on each side for a total of 10 minutes.