Seafood Market Q&A – Expert Answers to Your Top Seafood Questions

February 20, 2025

Seafood Market Q&A: Expert Answers to Your Top Seafood Questions

Whether you're a home cook, a seafood enthusiast, or someone just starting to explore the world of fish and shellfish, you probably have questions. How do I know if seafood is fresh? How should I store it? What's the healthiest seafood? How do I cook it without ruining it? We've compiled expert answers to the most common seafood questions to help you shop, store, cook, and enjoy seafood with confidence.

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Q1: How Do I Choose the Freshest Seafood?

Freshness is the single most important factor in seafood quality. Here's what to look for:

• Smell: Fresh seafood should smell clean and oceanic — like the sea, not like "fish." A strong fishy or ammonia smell is a reliable indicator of spoilage. This is the most important freshness test.
• Eyes (whole fish): Should be clear, bright, and slightly bulging. Cloudy, sunken, or dull eyes indicate the fish is past its prime.
• Gills: Should be bright red or pink. Brown or gray gills indicate age.
• Flesh: Should be firm and spring back when pressed. Soft, mushy, or indented flesh that doesn't spring back indicates age or poor handling.
• Skin: Should be shiny and moist, not dull or dry. The scales should be intact and firmly attached.
• Shellfish (live clams, mussels, oysters): Shells should be tightly closed or close when tapped. Discard any that remain open before cooking — they are dead and unsafe to eat.
• Ask questions: At a fish counter, ask when the seafood arrived and where it came from. A reputable fishmonger will answer readily. If they can't or won't, shop elsewhere.

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Q2: What's the Best Way to Store Seafood at Home?

Proper storage is critical for both food safety and quality. Storage requirements vary by type:

• Fresh fish fillets: Store in the coldest part of the refrigerator (32–34°F), ideally on a bed of ice in a covered container. Use within 1–2 days of purchase. The colder the better — most home refrigerators run at 37–40°F, which is warmer than ideal for fish.
• Live shellfish (clams, mussels, oysters): Store in the refrigerator in a breathable container (a bowl or colander) covered with a damp cloth or paper towel. Never store in a sealed airtight container or submerged in water — they need to breathe and will suffocate and die. Use within 1–2 days.
• Cooked seafood: Store in an airtight container in the refrigerator. Use within 3–4 days.
• Frozen seafood: Keep at 0°F (-18°C) or below. Vacuum-sealed: up to 6 months for fish; up to 3 months in standard freezer bags. Never refreeze previously thawed seafood.
• Thawing: Always thaw in the refrigerator overnight. For quick thawing, place in a sealed bag under cold running water for 30–45 minutes. Never thaw at room temperature or in hot water — this creates food safety risks and degrades quality.

🔗 Shop Frozen Seafood

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Q3: How Can I Tell if Seafood Is Sustainable?

Sustainable seafood is caught or farmed in ways that maintain healthy fish populations and protect marine ecosystems. Here's how to identify it:

• MSC certification (Marine Stewardship Council): The blue MSC fish label is the most widely recognized wild-caught sustainability certification. Requires independent third-party auditing of the fishery.
• ASC certification (Aquaculture Stewardship Council): The equivalent certification for responsibly farmed seafood.
• Seafood Watch (Monterey Bay Aquarium): Free app and website that rates seafood as "Best Choice," "Good Alternative," or "Avoid" based on comprehensive sustainability assessments. One of the most useful consumer tools available.
• Country of origin: Alaska's wild salmon and groundfish fisheries are among the best-managed in the world. "Wild Alaskan" on the label is a strong sustainability indicator.
• Ask your supplier: Reputable seafood companies can tell you where their seafood comes from, how it was caught, and whether it's certified. Transparency is a good sign; evasiveness is a red flag.
• Avoid the "Avoid" list: Some species are consistently overfished or caught using destructive methods. The Seafood Watch "Avoid" list is the most reliable guide.

🔗 Shop Sustainable Seafood at Global Seafoods

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Q4: What Are the Health Benefits of Eating Seafood?

Seafood is one of the most nutrient-dense foods available. Regular consumption (2–3 servings per week) is associated with significant health benefits:

• Omega-3 fatty acids (EPA and DHA): Reduce LDL cholesterol and blood pressure; support brain function and cognitive health; reduce systemic inflammation; support fetal brain and eye development during pregnancy. Fatty fish (salmon, mackerel, sardines, sablefish) are the richest sources.
• High-quality complete protein: All essential amino acids; highly bioavailable; supports muscle growth, repair, and immune function. Most seafood provides 18–25g protein per 100g.
• Vitamin D: One of the few natural dietary sources; supports bone health, immune function, and mood regulation.
• Vitamin B12: Shellfish (especially clams and oysters) are among the richest natural sources; essential for nerve function and red blood cell production.
• Selenium: Powerful antioxidant mineral; supports thyroid function and protects cells from oxidative damage.
• Iodine: Essential for thyroid hormone production; seafood is one of the primary dietary sources.
• Low in saturated fat: Most seafood is significantly lower in saturated fat than red meat, making it a heart-healthier protein choice.

The FDA and American Heart Association recommend eating seafood at least twice a week as part of a healthy diet.

🔗 Shop Nutrient-Rich Whitefish

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Q5: What's the Best Way to Cook Seafood at Home?

The best cooking method depends on the species, cut, and your desired result:

• Grilling: Best for fatty, firm fish that can withstand high heat — salmon, tuna, halibut, swordfish. Preheat to 375–400°F; oil the grates; cook skin-side down first; flip once. Internal temp: 125–130°F for medium-rare salmon; 145°F for fully cooked.
• Baking: The most forgiving method — works well for cod, sea bass, sablefish, and most fillets. 400°F for 12–15 minutes for 1-inch thick fillets. Produces moist, flaky results with minimal effort.
• Pan-searing: Best for scallops, shrimp, thin fillets, and skin-on fish. High heat, minimal oil, don't move the fish until it releases naturally. Creates a golden crust and crispy skin.
• Steaming: The healthiest method — no added fat, preserves delicate flavors and nutrients. Best for shellfish (clams, mussels, oysters), delicate white fish, and Asian-style preparations.
• Poaching: Gentle cooking in flavored liquid (court bouillon, white wine, broth). Best for delicate fish (sole, flounder, halibut) and salmon. Produces very moist, tender results.
• Air frying: Excellent for breaded fish, shrimp, and scallops. 375–390°F for 8–12 minutes. Produces crispy results with significantly less oil than deep frying.

Universal rule: Don't overcook seafood. Most fish is done at 125–145°F internal temperature. Overcooked seafood is dry, rubbery, and loses its flavor. Use a thermometer.

🔗 Shop Wild Salmon for Grilling

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Q6: Can You Share a Simple Seafood Recipe?

Garlic Butter Shrimp

Serves: 2–4  |  Time: ~10 minutes

Ingredients

• 1 lb (450g) large shrimp, peeled and deveined
• 3 cloves garlic, minced
• 2 tbsp unsalted butter
• 1 tbsp olive oil
• Juice of 1 lemon
• ¼ tsp red pepper flakes (optional)
• Salt and freshly ground black pepper to taste
• Fresh flat-leaf parsley, chopped, for garnish

Instructions

1. Pat shrimp completely dry with paper towels — this is essential for a good sear. Season with salt and pepper.
2. Heat butter and olive oil in a large skillet over medium-high heat until the butter is melted and foaming.
3. Add garlic and red pepper flakes; sauté for 30 seconds until fragrant (do not brown the garlic).
4. Add shrimp in a single layer. Cook 1–2 minutes per side without moving until pink and curled into a C-shape. (An O-shape means overcooked.)
5. Add lemon juice; toss to coat. Remove from heat immediately.
6. Garnish with fresh parsley. Serve immediately over pasta, rice, or with crusty bread.

🔗 Shop Fresh Shrimp & Seafood at Global Seafoods

🎥 Watch more seafood recipes on the Global Seafoods YouTube Channel

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Q7: What Should I Look for When Buying Frozen Seafood?

Properly frozen seafood can be just as good — and sometimes better — than "fresh" seafood that has been in transit for several days. Here's what to look for:

• Flash-frozen: Look for "flash-frozen" or "frozen at sea" on the label. Flash-freezing (rapidly frozen at -40°F immediately after harvest) locks in freshness at its peak and is superior to slow freezing.
• No freezer burn: Freezer burn appears as white, dry, or discolored patches on the surface. It indicates the seafood has been exposed to air — usually from damaged or improperly sealed packaging. Freezer-burned seafood is safe to eat but has degraded texture and flavor.
• No ice crystals inside the packaging: Ice crystals inside the bag (not on the surface of the fish) indicate the seafood has thawed and refrozen — a significant quality and safety concern. Avoid.
• Intact, sealed packaging: Any tears, punctures, or broken seals compromise the cold chain and allow freezer burn.
• Country of origin and species name: Look for specific species names ("sockeye salmon" not just "salmon") and country of origin. Vague labeling is a red flag for seafood fraud.
• Wild-caught vs. farmed: US law requires this disclosure on retail packaging. Wild-caught is generally preferred for salmon and most finfish.

🔗 Shop Premium Frozen Seafood at Global Seafoods

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Q8: Is Seafood Safe to Eat Every Day? What About Mercury?

Seafood is one of the healthiest foods you can eat, and most people benefit from eating more of it, not less. However, mercury content varies significantly by species and is a legitimate consideration for certain groups:

• Low-mercury seafood (eat freely): Salmon, sardines, anchovies, oysters, clams, mussels, shrimp, scallops, pollock, catfish, tilapia, cod. The FDA classifies these as "Best Choices" and recommends 2–3 servings per week.
• Moderate-mercury seafood (limit to 1 serving/week for pregnant women and young children): Yellowfin tuna, halibut, mahi-mahi, snapper, grouper, canned albacore tuna.
• High-mercury seafood (avoid if pregnant, nursing, or feeding young children): Shark, swordfish, king mackerel, tilefish, bigeye tuna. Healthy adults can eat these occasionally.
• For healthy adults: Eating a variety of seafood 2–3 times per week is safe and beneficial. Varying species reduces exposure to any single contaminant.

The health benefits of eating seafood (omega-3s, protein, vitamins, minerals) significantly outweigh the risks for most people when consuming a variety of low-to-moderate mercury species.

🔗 Shop Low-Mercury Whitefish  |  🔗 Shop Wild Salmon

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