Butterfish is a delicately flavored white fish that can be found in certain specialty markets. Butterfish is also known as escolar, white tuna or snake mackerel.

Breaded fish fillets can be delicious, but breading adds calories and carbohydrates to a lean source of protein. If you prefer your fish without those extra calories or carbs, pan-searing and blackening techniques produce a delicious fillet that remains tender and flaky.

Keeping a package of individually-wrapped frozen salmon fillets in your freezer is a handy trick that can redefine the concept of a last-minute dinner.

Tilapia is a type of fish that is rich in omega-3 fatty acids and protein with a relatively low caloric content. However, according to the Science Daily website, you should select wild-caught tilapia, as farm-raised varieties contain unhealthy fats and low amounts of nutrients.

Tuna fits into a healthy diet or weight-loss program as a source of lean protein that also supplies vitamin D and omega-3 fatty acids. Canned tuna is a convenient food to keep on hand for a quick meal. The canned version of this seafood also is affordable, making it a budget-friendly diet food.

Swai is a type of catfish that thrives in the rivers of Asia. When baked, swai has a light, flaky consistency and a slightly sweet, mild flavor. It's also called Basa or Pangasius, and it is sometimes cultivated on fish farms in the United States. Swai that is cultivated on these American farms is considered a "

Fatty fish provides unsaturated fats, including omega-3 fatty acids, protein and several vitamins and minerals with relatively few calories and low saturated fat content. Tuna, like salmon, mackerel, trout, herring and sardines, is a fatty fish.

Griddles are a suitable alternative for grilling inside or cooking without a stove. Use either a griddle placed on top of the stove or an electric griddle, which just needs to be plugged into an outlet. There are many foods that can be cooked on a griddle, including tilapia.

Tilapia is a popular fish worldwide; it can be found roasted whole with herbs or in dishes such as fish soup and curried tilapia. This fish is commonly available fresh or frozen, and it is a source of many essential nutrients.

Lean, mild fish like john dory give you the most latitude when it comes to cooking techniques, but the best methods preserve its natural attributes -- fine texture and light flavor. Flavor-wise, dory needs less than five ingredients to go from mild to wild and everywhere in between.

Flounder is a juicy and tender white meat fish with a mild flavor. Its meat takes well to high temperatures, as the exterior forms a slightly sweet crust while the interior remains moist. Adding seasonings will introduce more flavors to the meat, complementing its natural flavor.

Although some people have concerns about the mercury content in salmon and other fish, the health benefits far outweigh the possible risks of exposure to contaminants, according to MayoClinic.com.