Micrograms of Mercury
Milligrams of Omega-3 Fatty Acids
Shark
151
1
Swordfish
147
1
Marlin
69
250
Bluefin and albacore tuna
54
2
Lobster
47
200
Canned (white albacore) tuna
40
1
Cod
14
200
Trout
11
1000
Crab
9
200
Mackerel
8
1350
Scallops
8
200
Flounder
7
350
Anchovies
5
2300
Salmon
2
1200
Sardines
2
1100
Oysters
2
2
Haddock
2
200
Tilapia
2
150
Clams
1
200
Shrimp
1
100