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Omega-3 Rich Fish & Seafood Foods, Ranked

Browse nutrition data for fish and seafood. These foods are valued for their protein content, omega-3 fatty acids, and essential minerals. Omega-3 content within Fish & Seafood depends on the specific food, and for fish, on the species and whether it's farmed or wild-caught.

A food qualifies as Omega-3 Rich here when it contains at least 500mg per 100g. Showing 42 fish & seafood foods that qualify, sorted by highest first.

FoodOmega-3kcalProtein
Caviar (black, sturgeon)6,789mg26424.6g
Oscietra Caviar5,800mg25825.5g
Bottarga4,000mg33040.0g
Salmon Roe (Ikura)3,480mg25029.2g
Smoked Mackerel3,200mg35418.9g
Mackerel (raw)2,656mg20518.7g
Salmon (Atlantic, farmed, raw)2,587mg20820.4g
Mackerel (Canned, in brine)2,400mg18822.0g
Buckling2,200mg25020.5g
Lumpfish Roe (Black)2,200mg16321.0g
Anchovies (Canned, in oil)2,113mg21028.9g
Tobiko (Orange)2,100mg22531.0g
Avruga / Arenkha2,000mg18014.0g
Tobiko (Wasabi/Green)2,000mg22031.0g
Tobiko (Yellow)2,000mg22031.0g
Salmon Head (raw)1,850mg18517.5g
Herring (raw)1,840mg15818.0g
Bloater1,800mg18918.9g
Gravadlax (Beetroot)1,750mg15021.0g
Smoked Eel1,600mg29023.0g
Masago (Orange)1,600mg19526.5g
Masago (Black)1,600mg19526.5g
Cured Salmon Trio1,500mg15523.0g
Rollmops (pickled herring)1,420mg16213.5g
Marinated Anchovies (Boquerones)1,400mg11017.0g
Albacore Tuna (raw)1,280mg14423.1g
Sardines (Canned, in brine)1,200mg17223.0g
Sea Reared Trout (raw)1,200mg15020.5g
Smoked Trout1,100mg16523.0g
Rainbow Trout (raw)1,068mg14119.9g
Smoked Halibut980mg13620.5g
Fish Mix (Smoked Blend)800mg18021.0g
Swordfish (raw)738mg14419.8g
Shark Steaks (raw)737mg13021.2g
Snow Crab Meat700mg9018.5g
Herring Roe (Soft, raw)680mg9217.5g
Black Sea Bream (raw)640mg9618.0g
Arctic Char (raw)600mg12519.9g
Sturgeon (raw)597mg10516.1g
Crab (cooked)541mg12819.5g
Marlin (raw)541mg12221.0g
King Crab (Clusters)530mg9719.4g

All values are per 100g. See every Omega-3 Rich food across all categories on the Omega-3 Rich Foods hub, or every food in this category on the Fish & Seafood page.

Omega-3 Rich Fish & Seafood: A Closer Look

A typical Omega-3 Rich fish & seafood food sits closer to Masago (Black) at 1,600mg omega-3 per 100g than the extremes above, worth checking the exact figure on each food’s own page rather than assuming every fish & seafood item behaves the same way.

Of the 42 fish & seafood foods that qualify as Omega-3 Rich in our database, Caviar (black, sturgeon) stands out most at 6,789mg omega-3 per 100g, while King Crab (Clusters) narrowly clears the threshold at 530mg omega-3 per 100g.

Omega-3 Rich fish & seafood foods are a real minority: 42 of the 252 fish & seafood foods in our database (17%) actually clear the threshold.

Every Omega-3 Rich Fish & Seafood item you log with our fat and calorie counter gets added straight into your running daily total, no separate maths needed.