Protein-rich fish bring more to the table than great taste. Many varieties are packed with high-quality protein and nutrients like omega-3 fatty acids, vitamin D, selenium, and vitamin B12. These include tuna, salmon, halibut, cod, and other nutritious seafood choices.
Need inspiration for your next seafood meal? Here are 10 fish options that stand out.
1. Tuna
Protein content: 25 grams per 3-ounce cooked serving [*]
Few types of fish match tuna when it comes to protein content. A 3-ounce cooked serving provides 25 grams of protein, according to the USDA FoodData Central, while containing less than 1 gram of total fat.
Tuna also supplies omega-3 fatty acids, selenium, and vitamin B12. Together, these nutrients make tuna a well-rounded choice for a balanced diet.
2. Salmon
Protein content: 21 grams per 3-ounce cooked serving [*]
Salmon is prized for its impressive nutritional profile. In addition to being rich in heart-healthy omega-3 fatty acids, it provides vitamin A, which supports healthy vision and immune function.
It also contains magnesium (29 mg per serving), an essential mineral that helps support muscle and nerve function, energy production, and bone health. A 3-ounce cooked serving of salmon contains 21 grams of protein.
3. Halibut
Protein content: 18 grams per 3-ounce cooked serving [*]
Halibut is one of the largest flatfish in the world and a popular choice for its lean, nutritious profile. If you're looking for a fish that's high in protein while naturally low in fat, halibut is an excellent option.
It also provides selenium, which acts as an antioxidant, along with magnesium and vitamin B12 to support muscle, nerve, and immune health.
4. Snapper
Protein content: 22 grams per 3-ounce cooked serving [*]
According to the USDA FoodData Central, a 3-ounce cooked serving of red snapper contains 22 grams of protein. It also provides 444 mg of potassium, an essential mineral that helps regulate fluid balance and supports proper muscle contractions.
Popular for its mild flavor and versatility, snapper is a nutritious seafood choice that provides high-quality protein and essential minerals.
5. Tilapia
Protein content: 23 grams per 3-ounce cooked serving [*]
Tilapia is one of the most widely farmed fish in the world. Its availability and affordability have made it a staple in many households. A 3-ounce cooked serving contains 23 grams of protein.
It also provides 204 mg of phosphorus, which plays an important role in building strong bones and teeth. Tilapia is also a good source of vitamin B12, which supports healthy nerve function and red blood cell production.
6. Mahi-Mahi
Protein content: 20 grams per 3-ounce cooked serving [*]
Mahi-mahi is a fast-growing ocean fish found in tropical and subtropical waters around the world. If you’re looking for a lean source of protein, mahi-mahi is a great option, as it offers 20 grams of protein with relatively little fat (about 1 gram per serving).
It is also an excellent source of selenium for thyroid function and helping protect cells from oxidative stress. In addition, it contains niacin (vitamin B3), a nutrient that enables the body to convert food into energy.
7. Trout
Protein content: 20 grams per 3-ounce cooked serving [*]
Trout is a freshwater fish valued for its nutritional quality. According to the USDA, a 3-ounce cooked serving provides 20 grams of protein, which makes it an excellent choice for meeting daily protein needs.
Trout is also rich in omega-3 fatty acids. In addition, it provides about 645 IU of vitamin D per serving. Vitamin D helps the body absorb calcium to maintain strong bones and is especially important for people with limited sun exposure, older adults, and others who may be at risk of vitamin D deficiency.
8. Alaskan Cod
Protein content: 19 grams per 3-ounce cooked serving [*]
Alaskan cod is known for its naturally lean meat and high nutritional value. A 3-ounce cooked serving contains 19 grams of protein. It also provides iodine, an essential mineral that helps the thyroid produce hormones needed to regulate metabolism.
9. Pollock
Protein content: 17 grams per 3-ounce cooked serving [*]
Pollock is one of the most abundant wild-caught fish in Alaska and is an exceptionally lean source of protein. According to the USDA, a 3-ounce cooked serving provides 17 grams of protein while remaining low in fat and calories.
Pollock also supplies several essential minerals, including calcium, magnesium, iron, and phosphorus.
10. Catfish
Protein content: 16 grams per 3-ounce cooked serving [*]
Both wild and farmed catfish are excellent sources of high-quality protein. A 3-ounce cooked serving provides about 16 grams of protein. While their protein content is similar, they differ in total fat.
Farmed catfish contains approximately 6 grams of fat per serving compared with 2 grams in wild catfish. People following a lower-fat diet may prefer the wild variety.
Summary
Adding more fish to your diet is a simple way to increase your protein intake while enjoying a wide range of essential nutrients. Although every fish on this list is rich in protein, each variety has something unique to offer.
Different fish vary in their fat content and provide different amounts of nutrients such as vitamin D, selenium, iodine, magnesium, and vitamin B12. No matter which variety you choose, fish remains a great addition to a balanced diet!
