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Which seafood is high in protein? A complete guide

6 min read

According to the Food and Agriculture Organization, seafood contributes to about 20% of the total average global intake of animal protein. This makes it a crucial source of high-quality, complete protein for populations worldwide.

Quick Summary

An overview of top fish and shellfish, including tuna, octopus, and scallops, that pack a powerful protein punch for a healthier diet, also detailing their additional nutritional benefits.

Key Points

  • Top Protein Contenders: Octopus and fresh tuna are among the highest protein seafoods available, followed closely by canned tuna.

  • Lean Options: Lean fish like cod, haddock, and tilapia provide a high-protein, low-fat alternative ideal for weight management and lean muscle development.

  • Shellfish Power: Don't overlook shellfish like scallops, shrimp, and lobster, which are excellent sources of lean protein and other essential minerals.

  • Omega-3 Richness: Fatty fish like salmon and mackerel combine high protein with heart-healthy omega-3 fatty acids, offering dual benefits for health.

  • Nutrient Density: Many seafood items are also rich in vital nutrients like vitamin B12, selenium, and iodine, contributing to overall well-being.

  • Healthier Cooking: To maintain a healthy profile, opt for cooking methods such as grilling, baking, or steaming, and avoid heavy frying.

  • Vary Your Choices: Incorporating a diverse range of seafood is the best way to ensure you receive a wide spectrum of nutrients and essential amino acids.

In This Article

Top Fish Choices for Maximum Protein

When it comes to high-protein seafood, some fish varieties stand out for their exceptional nutritional profiles. Not only do they offer a high concentration of protein per serving, but many are also packed with other beneficial nutrients like omega-3 fatty acids, vitamins, and minerals. Incorporating these fish into your diet is a simple and delicious way to boost your protein intake.

Tuna

Fresh tuna is a powerhouse of protein, delivering an impressive amount per 100-gram serving. It is a versatile fish that can be enjoyed in many forms, from seared steaks to raw in sushi and poke bowls. Even canned tuna is a convenient and budget-friendly option, providing a significant protein boost for salads and sandwiches. While tuna is highly nutritious, some species, particularly larger ones, can contain higher levels of mercury, so moderation is advised.

Octopus

For those willing to explore beyond standard fish fillets, octopus is an exceptional protein source, offering a very high concentration of protein and being naturally low in fat. It is also rich in essential minerals like calcium, magnesium, and potassium. Often enjoyed steamed or boiled, octopus can be a unique and flavorful addition to your meals, particularly in Mediterranean cuisine.

Salmon

Known for its high content of heart-healthy omega-3 fatty acids, salmon is also an excellent protein source. Both wild-caught and Atlantic salmon offer a substantial amount of high-quality protein per serving. Salmon is incredibly versatile and can be baked, grilled, or pan-seared, making it a popular and easy choice for a nutritious dinner.

Cod

Cod is celebrated as a lean protein option, making it ideal for those managing their weight. With its mild flavor and flaky texture, it is a great starting point for those new to seafood. Cod is also a good source of B vitamins and selenium, which support immune function and energy production.

Anchovies

Though small, anchovies pack a significant protein punch and are a surprisingly cheap and nutrient-dense option. Often sold canned and salt-cured, they are also rich in omega-3s and calcium. Due to their high sodium content, they should be used judiciously, but a small amount can add a powerful umami flavor to sauces, dressings, and pasta.

High-Protein Shellfish Options

Beyond finfish, several shellfish varieties are excellent sources of lean protein, along with other key nutrients like zinc, copper, and vitamin B12.

  • Scallops: These tender, sweet-tasting mollusks provide a high protein count and are rich in zinc and selenium, both vital for a healthy immune system. They cook very quickly, making them a perfect option for a fast, elegant, and protein-rich meal.
  • Shrimp: One of the most popular seafood choices, shrimp offers a great source of lean protein for very few calories. It is a versatile crustacean that works well in stir-fries, salads, and pasta dishes.
  • Clams: Clams are a good source of protein, especially when cooked. They also provide a boost of iron, zinc, and vitamin B12.
  • Lobster: This flavorful crustacean is a lean protein source with less saturated fat and calories than equivalent portions of some red meat or poultry. It provides a healthy dose of phosphorus, potassium, and omega-3s.

Comparison: Lean vs. Fatty Seafood

The protein content in seafood is consistently high across the board, but the fat content can vary significantly, impacting calorie count and other nutritional benefits. Here is a comparison of some popular options per 100g:

Seafood Type Protein (g) Total Fat (g) Key Nutritional Benefit
Tuna (Yellowfin) 24–30 <1 High protein, vitamin B12
Octopus ~29.8 <1 Very high protein, low fat, rich in minerals
Cod (Atlantic) 18–22.8 <1 Lean protein, B vitamins, selenium
Salmon (Atlantic) 18–25 10–15 Omega-3 fatty acids, vitamin D
Scallops 20–24 <1 Lean protein, zinc, selenium
Shrimp 17–22.8 <1 Lean protein, astaxanthin, low calorie
Mackerel 17–23.8 ~14 High omega-3s, vitamin D, B12

Cooking Methods for High-Protein Seafood

The way seafood is prepared can have a significant impact on its overall nutritional value. While breading and deep-frying can increase calories and fat, healthier cooking methods can preserve the beneficial nutrients.

Baking and Broiling

Baking and broiling are excellent methods for cooking fish fillets and steaks. These dry-heat techniques allow the fish to cook evenly while maintaining moisture and flavor without the need for excessive oil. They are particularly well-suited for salmon, cod, and halibut.

Steaming and Poaching

For a delicate and moist result, steaming and poaching are ideal. These moist-heat methods involve cooking seafood gently in liquid or steam, preserving its natural flavor and texture. This works exceptionally well for shellfish like lobster, crab, and shrimp, as well as mild-flavored fish like cod.

Grilling

Grilling adds a delicious smoky flavor and is a great option for firm fish like halibut, swordfish, or tuna steaks. It is a simple way to cook seafood while keeping it healthy, as long as it's not soaked in marinades high in sugar or fat.

Stir-Frying

For quick and vibrant meals, stir-frying is a fantastic option, especially for shrimp. By using a small amount of healthy oil and a mix of fresh vegetables, you can create a high-protein, nutrient-packed dish in minutes.

Conclusion: Making Smart Seafood Choices

Choosing high-protein seafood is a strategic move for anyone looking to support muscle growth, boost metabolism, and improve overall health. From versatile tuna and omega-rich salmon to lean cod and nutrient-dense shellfish like scallops and octopus, the options are plentiful and delicious. Remember to vary your seafood choices to reap a wide range of benefits and, when possible, opt for healthier cooking methods like steaming, grilling, or baking to preserve their nutritional integrity. By being mindful of your choices, you can easily integrate these protein powerhouses into a balanced and healthy diet.

Key Takeaways

  • High Protein Leader: Octopus and fresh tuna are among the top seafood options for protein content per 100-gram serving.
  • Lean vs. Fatty Fish: While both offer high protein, lean fish like cod are lower in fat, while fatty fish like salmon provide beneficial omega-3s.
  • Shellfish Benefits: Shellfish such as scallops and shrimp are excellent sources of lean protein and minerals like zinc, copper, and vitamin B12.
  • Smart Cooking: Opt for steaming, grilling, or baking to preserve the nutritional value of your seafood and minimize added fats.
  • Variety is Key: Eating a variety of seafood, including both fish and shellfish, ensures a broader spectrum of nutrients beyond just protein.
  • Mercury Awareness: Be mindful of mercury levels in larger fish like tuna and grouper and consider consuming lower-mercury options more frequently.
  • Omega-3 Power: Fatty fish like salmon and mackerel are essential for brain and heart health due to their high omega-3 fatty acid content.

FAQs

What seafood has the most protein per serving? Octopus and fresh tuna are often cited as having some of the highest protein contents per 100-gram serving among all seafood.

Is shellfish a good source of protein? Yes, shellfish like scallops, shrimp, and clams are excellent sources of lean, high-quality protein and also provide essential minerals like zinc and iron.

How does canned tuna protein compare to fresh tuna? Canned tuna is also high in protein, though often slightly lower per serving than fresh tuna. For example, some fresh tuna can contain over 30g of protein per 100g, while canned options often provide around 25g.

Is high-protein seafood also low in calories? Many high-protein seafood options are also low in calories, especially when prepared with healthy cooking methods like steaming or baking. Lean fish like cod and shellfish like shrimp are particularly good choices for weight management.

Does how I cook seafood affect its protein content? No, the cooking method does not significantly alter the total protein content of seafood. However, methods like deep-frying can drastically increase the calorie and fat content.

What seafood is good for lean muscle building? Lean seafood options like cod, haddock, scallops, and shrimp are ideal for building lean muscle because they provide a high amount of protein with very little fat.

Should I choose farmed or wild-caught fish for protein? Both farmed and wild-caught fish are excellent sources of protein. Some sources suggest wild-caught fish may have higher omega-3s, but farmed salmon has comparable levels. The best choice often comes down to personal preference for taste, sustainability, and budget.

Frequently Asked Questions

Octopus and fresh tuna are considered some of the highest-protein seafoods, with octopus providing nearly 30g and fresh tuna delivering over 30g of protein per 100-gram serving, respectively.

Yes, canned seafood like tuna and anchovies remain excellent, convenient, and budget-friendly sources of high-quality protein. Canned salmon and sardines with bones also offer extra calcium.

Lean seafood varieties like cod, scallops, and shrimp are ideal high-protein, low-fat options. They offer a significant protein boost without the added calories from fat.

Both fish and shellfish are great sources of high-quality protein. Shellfish like scallops and clams offer impressive protein levels, while fish like tuna and salmon are also packed with protein and often contain more omega-3 fatty acids.

Yes, seafood provides high-quality protein that contains all the essential amino acids your body needs for optimal health, making it a complete protein source.

The best ways to cook seafood to maintain its health benefits include baking, grilling, steaming, or poaching. These methods minimize the need for added fats and calories.

Yes, many high-protein seafoods are relatively low in calories and fat, which can increase satiety and support weight management goals. Opt for lean varieties and healthy cooking methods for best results.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.