Amberjack is a meaty, mild-tasting finfish prized by chefs and anglers alike. In markets you may see “greater amberjack,” “yellowtail,” or “hamachi”—close cousins in the same Seriola family with firm texture that holds up to grilling, searing, or sushi-style preparations when sourced and handled correctly. A 100-gram serving delivers lean, high-quality protein with modest fat and meaningful omega-3s, plus selenium and B-vitamins that support metabolism and immune function. U.S. wild-caught greater amberjack is regulated for sustainability, though some populations fluctuate; aquaculture options exist in certain regions. Because amberjack is a large reef predator, smart selection and portion control matter for mercury exposure, and for a small subset of tropical fish, ciguatera toxin is a regional concern. This guide distills what matters: the benefits you can expect, how to buy and store it well, safe preparation techniques, and clear answers to common questions about portions, substitutions, and who should limit intake.
Top Highlights
- 100 g amberjack provides ~23 g protein, ~5 g fat, and ~1 g long-chain omega-3s (EPA+DHA).
- Typical portion 120–150 g once weekly for most adults; choose lower-mercury species more often.
- Individuals who are pregnant, breastfeeding, or serving young children should prioritize fish from lower-mercury lists.
- Raw or undercooked fish increases infection risk; buy previously frozen sashimi-grade fish or cook to 63 °C (145 °F).
Table of Contents
- Amberjack: Types and Uses
- Amberjack Nutrition Profile
- Amberjack Health Benefits
- Risks, Allergies and Interactions
- Selecting, Sustainability and Storage
- Cooking Methods and Retention
- Portions, Comparisons and FAQs
Amberjack: Types and Uses
Amberjack refers to several closely related jacks in the genus Seriola. In stores and on menus, the names you are most likely to see are:
- Greater amberjack (Seriola dumerili) – A large, wild reef species common in the Atlantic and Gulf. Flavor is mild and slightly sweet; flesh is firm with moderate oil.
- Yellowtail / Japanese amberjack (Seriola quinqueradiata) – Known as hamachi (younger fish) or buri (older fish) in Japanese cuisine; widely farmed and commonly used for sushi and sashimi.
- Yellowtail amberjack / kingfish (Seriola lalandi) – Popular in Pacific regions; firm, clean flavor.
Because these species are close nutritionally and culinarily, you can apply most buying, cooking, and safety tips across them. The main differences show up in fat content (often higher in farmed yellowtail during winter) and sustainability status by fishery.
Taste and texture. Amberjack’s dense, steak-like texture stays intact on a hot grill or in a pan. The darker “bloodline” near the skin has a stronger flavor; trimming part of it can dial back intensity if you prefer mild fish. Marbling and oil content vary by species and season, but even leaner cuts remain moist with quick, high-heat cooking.
Culinary uses.
- Hot preparations: Grilled steaks, pan-seared medallions, oven-roasted loins, fish tacos, kebabs, and hearty curries.
- Moist-heat methods: Poaching in olive oil or court-bouillon; steaming with aromatics.
- Raw/quick-cured (expert handling only): Sashimi, crudo, poke, or tataki—safe only when the fish has been properly frozen for parasite control and handled under strict cold chain.
Flavor pairing ideas. Amberjack loves bright acidity (citrus, rice vinegar), herbaceous notes (chive, shiso, cilantro), and savory fat (olive oil, miso, sesame). For grilling, think lemon-garlic-oregano; for sashimi-style, yuzu, soy, and thin-sliced scallion.
Buying formats. You’ll find skin-on fillets, trimmed loins, or steaks. For raw dishes, look for “sashimi-grade” or “previously frozen for raw consumption” from reputable suppliers. For grilling, ask for 2.5–3 cm (1–1.25-inch) steaks to minimize overcooking.
Nutrition snapshot (per 100 g, raw). ~146 kcal, ~23 g protein, ~5.3 g fat, negligible carbohydrate, notable selenium and B-vitamins, and roughly ~1 g EPA+DHA (varies by species and season).
When to choose amberjack. Pick amberjack when you want a sturdier, steak-like white fish that still offers meaningful omega-3s but a milder taste than salmon or mackerel.
Amberjack Nutrition Profile
Notes on data. Values below are for raw amberjack/yellowtail–type fish per 100 g. Amounts will vary with species, season, diet, and whether the fish is wild or farmed. % Daily Value (%DV) uses current U.S. adult DVs; where no official DV exists (e.g., cholesterol), %DV is omitted.
Macros & Electrolytes (per 100 g)
| Nutrient | Amount | %DV |
|---|---|---|
| Energy | 146 kcal | — |
| Protein | 23.2 g | 46% |
| Total Fat | 5.3 g | 7% |
| Saturated Fat | 1.3 g | 7% |
| Carbohydrate | 0 g | 0% |
| Sodium | 39 mg | 2% |
| Potassium | 420 mg | 9% |
| Cholesterol | 55 mg | — |
Fats & Fatty Acids (per 100 g)
| Fatty Acid / Metric | Amount | Context |
|---|---|---|
| Total long-chain omega-3 (n-3 PUFA) | ~1.07 g | Varies by species and season |
| EPA (eicosapentaenoic acid) | ~0.19 g | Long-chain omega-3 |
| DHA (docosahexaenoic acid) | ~0.73 g | Long-chain omega-3 |
Protein & Amino Acids (per 100 g)
| Amino Acid | Amount (g) | Notes |
|---|---|---|
| Lysine | 2.13 | Essential |
| Leucine | 1.88 | Essential |
| Isoleucine | 1.07 | Essential |
| Valine | 1.19 | Essential |
| Threonine | 1.02 | Essential |
| Phenylalanine | 0.90 | Essential |
| Methionine | 0.69 | Essential (with cystine for sulfur AAs) |
| Histidine | 0.68 | Essential (adults: conditional) |
| Tryptophan | 0.26 | Essential |
| Tyrosine | 0.78 | Non-essential |
| Cystine | 0.25 | Non-essential (with methionine) |
Vitamins (per 100 g)
| Vitamin | Amount | %DV |
|---|---|---|
| Vitamin B12 (cobalamin) | 1.29 µg | 54% |
| Niacin (B3) | 6.8 mg | 43% |
| Thiamin (B1) | 0.14 mg | 12% |
| Vitamin B6 (pyridoxine) | 0.17 mg | 10% |
| Pantothenic Acid (B5) | 0.59 mg | 12% |
| Riboflavin (B2) | 0.04 mg | 3% |
| Folate (DFE) | 4 µg | 1% |
| Vitamin A (RAE) | 29 µg | 3% |
| Vitamin C | 2.8 mg | 3% |
Minerals (per 100 g)
| Mineral | Amount | %DV |
|---|---|---|
| Selenium | 36.5 µg | 66% |
| Phosphorus | 157 mg | 13% |
| Potassium | 420 mg | 9% |
| Magnesium | 30 mg | 7% |
| Zinc | 0.52 mg | 5% |
| Calcium | 23 mg | 2% |
| Iron | 0.49 mg | 3% |
| Sodium | 39 mg | 2% |
| Copper | 0.05 mg | 5% |
Contaminants/Residues (context)
- Mercury: As a larger, longer-lived predator, amberjack can accumulate more mercury than small, short-lived fish. Follow national fish-advice charts for frequency.
- Ciguatera (regional): In tropical/subtropical reef areas, large amberjack may bioaccumulate ciguatoxins. Cooking/freezing does not destroy these toxins.
- Microbes/parasites: Raw or undercooked fish may harbor pathogens or parasites; proper freezing for raw service and cooking to a safe temperature mitigate risk.
Glycemic & Acid–Base Metrics
- Carbohydrates: 0 g; Glycemic Load: 0.
- Acid–base: Like most high-protein foods, amberjack has an acid-forming load; balance with vegetables and fruit if you track PRAL.
Footnote: Values reflect unfortified, raw fish. Smoked, canned, or marinated products may include added sodium or other ingredients.
Amberjack Health Benefits
High-quality protein for lean mass. With roughly 23 g protein per 100 g, amberjack is a compact source of essential amino acids. Lysine, leucine, and isoleucine support muscle maintenance, especially in active adults and older individuals striving to preserve strength.
Meaningful omega-3s. Long-chain omega-3 fatty acids (EPA and DHA) support heart, brain, and eye health. Amberjack typically provides around 1 g EPA+DHA per 100 g—less than salmon but more than many lean white fish. Regular intake within a varied seafood pattern contributes to cardiovascular and neurocognitive benefits.
Micronutrients that matter.
- Selenium (≈66% DV/100 g): Key for antioxidant enzymes (glutathione peroxidases) and thyroid hormone metabolism.
- Niacin and B12: Support energy metabolism and normal red blood cell formation; B12 also underpins neurological function.
- Phosphorus, potassium, magnesium: Aid bone health, cellular energy, and electrolyte balance.
Satiation with flexibility. Amberjack’s protein-to-calorie ratio and satisfying texture make it an easy swap for higher-fat meats in mixed meals. For many people, a modest portion helps control appetite and supports weight-management goals when combined with vegetables, legumes, and whole grains.
Culinary versatility encourages adherence. Eating more seafood is easier when it tastes great. Amberjack excels on the grill or seared with a quick pan sauce, giving you restaurant-quality results at home. That makes sticking to 1–2 seafood meals weekly more realistic.
Performance and recovery. The amino acid profile—especially leucine—supports muscle protein synthesis post-workout. Pair with carbohydrate (e.g., grilled vegetables and a grain) to replenish glycogen and enhance recovery.
Who benefits most.
- Adults aiming for heart-smart patterns who want variety beyond salmon and trout.
- People seeking high-protein, moderate-fat entrées that still provide omega-3s.
- Home cooks who prefer sturdy fillets or steaks that resist falling apart.
Keep balance in mind. Favor a rotation of species, leaning on lower-mercury fish most weeks and using amberjack as an occasional centerpiece—especially if you’re in a group advised to be cautious (see next section).
Risks, Allergies and Interactions
Mercury exposure. Large, predatory reef fish like amberjack can carry higher mercury than small, short-lived species. Practical strategies:
- Keep portions modest (120–150 g per adult serving).
- Enjoy amberjack less frequently than low-mercury fish such as salmon, sardines, trout, or anchovies.
- Those who are pregnant or breastfeeding and young children should follow national fish-advice charts—choose lower-mercury fish more often and limit or avoid higher-mercury species.
Ciguatera (geographic and size-dependent). In tropical and subtropical reef regions, some larger amberjack may bioaccumulate ciguatoxins from the food chain. This toxin is not destroyed by cooking or freezing. If traveling or sourcing from ciguatera-endemic areas, buy from reputable suppliers who avoid at-risk species and sizes; when in doubt, opt for other fish.
Parasites and microbes in raw fish. Raw or undercooked fish can contain parasites or bacteria. Safer options:
- If serving raw (sashimi, crudo, poke), purchase fish that has been frozen under parasite-control protocols from trusted suppliers.
- At home, avoid DIY “sushi-grade” claims; keep fish cold and cleanly handled, and never rely on home freezing to make raw fish safe.
- Cooking fish to 63 °C (145 °F) and resting briefly ensures pathogen and parasite kill-steps for typical home cooking.
Fish allergy. Fish is among the “Big 9” allergens. The principal fish allergen is parvalbumin, a heat-stable protein—meaning cooked fish can still trigger reactions. People with known fish allergy should avoid amberjack entirely and discuss tailored guidance with an allergist; cross-reactivity among bony fish is common.
Medication and nutrient considerations.
- Normal dietary fish intake is not known to interact meaningfully with common medications.
- If you take prescription anticoagulants or high-dose omega-3 supplements, discuss total omega-3 intake with your clinician.
- Sodium can rise sharply in smoked, cured, or canned products—check labels if you monitor blood pressure or kidney function.
Food safety basics. Keep raw fish at ≤4 °C (≤40 °F); cook or refrigerate within two hours (one hour if ambient temperature is >32 °C/90 °F). Reheat leftovers to steaming hot and use within 1–2 days for best quality.
Selecting, Sustainability and Storage
How to choose quality amberjack.
- Look: Fillets should be moist and translucent, not dull or gaping. Bloodlines should be bright red to burgundy, not brown or gray. Whole fish should have clear eyes and bright gills.
- Smell: Clean, ocean-fresh. A sour or “fishy” odor is a red flag.
- Touch: Flesh should be firm, springing back when pressed.
- Labeling: For raw dishes, insist on “sashimi-grade” or “previously frozen for raw consumption”—and a supplier who can explain their freezing and handling practices.
Sustainability at a glance. U.S. wild-caught greater amberjack is regulated; management includes size limits, seasonal closures, and rebuilding plans when stocks dip. Availability and status vary by region. When possible:
- Prefer well-managed fisheries or certified sources.
- Consider farmed yellowtail/hamachi from responsible producers with strong environmental practices.
- Diversify your seafood choices to reduce pressure on any single stock.
Storage and handling.
- Short-term (1–2 days): Keep fillets on ice in a sealed container in the coldest part of your refrigerator. Drain melted ice and pat dry before cooking.
- Freezing (up to 2–3 months for best quality): Wrap tightly (plastic + freezer paper or vacuum-seal). Freeze quickly, store at −18 °C (0 °F) or colder, and thaw overnight in the refrigerator.
- Refreezing: Safe if thawed in the fridge and kept ≤4 °C (≤40 °F), but expect some texture loss.
- Raw preparations: Buy pre-frozen sashimi-grade fish; do not rely on home freezers to meet parasite-control specifications.
Budget and substitutions. If amberjack is unavailable or pricey, good stand-ins include mahi-mahi, wahoo, firm albacore or yellowfin tuna (cook medium), or firm snapper loins. For similar grilling performance with lower mercury, try farmed Arctic char or steelhead trout.
Cooking Methods and Retention
Goal: keep the center moist, preserve omega-3s, and build flavor on the exterior. Amberjack’s firm flesh gives you latitude, but it can dry if overcooked.
Core doneness and temperatures.
- Safe minimum internal temperature: 63 °C (145 °F) at the thickest point.
- Carryover cooking: Remove from heat a few degrees early; temperature rises briefly off-heat.
- Visual cues: Flesh turns opaque and flakes; juices run clear.
High-heat sear (pan or grill).
- Pat fish dry; season with salt 20–30 minutes ahead to firm surface proteins.
- Brush with neutral oil; preheat pan or grill until very hot.
- Sear 2–4 minutes per side for 2.5–3 cm (1–1.25-inch) steaks.
- Finish with acid (lemon, yuzu) and herbs (chive, parsley).
Why it works: Browning develops savory notes while amberjack’s structure resists flaking apart.
Roasting or air-roasting.
- Oven to 220 °C (425 °F). Roast skin-on loins on a preheated pan for 8–12 minutes depending on thickness. A mustard-miso glaze or harissa-yogurt crust adds moisture and flavor.
- Air fryer at 200 °C (392 °F) for 7–10 minutes for 2.5 cm pieces; check early.
Poaching and steaming (max retention).
- Poach in olive oil (60–65 °C / 140–149 °F) or gently in court-bouillon to minimize omega-3 loss and keep delicate texture.
- Steam with ginger and scallion for a clean, moist result.
Raw or lightly seared preparations (when properly sourced).
- Sashimi/crudo: Slice across the grain; serve chilled with citrus-soy or olive oil–lemon.
- Tataki: Quick sear of exterior only; chill and slice.
Safety note: Use only sashimi-grade, previously frozen fish from reliable suppliers; keep it cold and serve immediately.
Tips to preserve nutrients.
- Avoid excessive charring and repeated high-temperature reheating, which can degrade sensitive fats.
- Keep sauces light; omega-3s are already present—no need to drown in added fat.
- Do not over-marinate in strong acids; 15–30 minutes is plenty to avoid mushy texture.
Flavor builders.
- Mediterranean: Lemon-garlic-oregano, capers, parsley.
- Japanese: Miso-yuzu glaze, sesame, shiso, scallion.
- Latin: Achiote-citrus, cilantro, charred pineapple salsa.
Portions, Comparisons and FAQs
How much is a serving?
- A practical cooked portion for most adults is 120–150 g (about the size/thickness of your palm).
- For children: adjust to age/appetite and follow pediatric fish-advice charts for frequency.
How often can I eat amberjack?
- For most healthy adults, once weekly is a sensible cadence, balancing variety and mercury exposure.
- If you’re pregnant, breastfeeding, or serving young children, prioritize lower-mercury fish most weeks and treat amberjack as an occasional choice or skip it if local advisories recommend.
Amberjack vs. other fish (per 100 g, raw—typical ranges).
- Amberjack: ~146 kcal; ~23 g protein; ~5 g fat; ~1 g EPA+DHA; notable selenium.
- Salmon (Atlantic): ~142–208 kcal; ~20 g protein; ~6–13 g fat; ~1.5–2.5 g EPA+DHA.
- Mahi-mahi: ~100 kcal; ~22 g protein; ~1 g fat; lower omega-3 (~0.1–0.2 g).
- Yellowfin tuna: ~109 kcal; ~24 g protein; ~0.5 g fat; ~0.2–0.7 g omega-3 depending on cut.
Interpretation: amberjack sits between lean white fish and oily fish—more omega-3 than many lean species, less than salmon.
Is amberjack safe to eat raw?
Yes—only if it has been frozen according to parasite-control standards and handled correctly from boat to plate. The simplest home strategy is to buy sashimi-grade fish from a reputable supplier and keep it cold. When uncertain, cook it.
What about the “bloodline” or dark strip?
That strip concentrates myoglobin and has a stronger, sometimes metallic taste. Trimming some or all of it mellows flavor. It’s safe to eat.
Can I cook it medium like tuna?
Amberjack is best cooked to safe doneness (63 °C / 145 °F). Very brief undercooking can leave the center translucent but increases risk if handling is not pristine.
Budget-friendly ways to use amberjack.
- Buy a whole loin and portion at home.
- Use trimmings for fish cakes, tacos, or hearty soups.
- Combine with vegetables and grains to stretch flavor across more servings.
Simple serving ideas.
- Lemon-garlic grilled steaks with olive-caper relish.
- Miso-glazed broiled loins with sesame-shaved cucumber.
- Citrus-chile amberjack tacos with cabbage slaw.
References
- Greater Amberjack | NOAA Fisheries 2025
- Greater Amberjack: Seafood | NOAA Fisheries 2025
- Advice about Eating Fish 2024
- Cook to a Safe Minimum Internal Temperature 2024
- Factsheet for health professionals on ciguatera fish poisoning 2024
Medical Disclaimer
This article is for general information and education. It does not replace personalized advice from your doctor, dietitian, or other qualified health professional. If you are pregnant, breastfeeding, serving young children, have a fish allergy, or manage a medical condition, consult your clinician about fish selection, portions, and frequency appropriate for you.
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