Table 2.
Estimated omega-3 FA and MeHg levels in commonly eaten fish.
| Fish species | Omega-3a (mg/6 oz) | MeHgb (μg/g) |
|---|---|---|
| Cod, Atlantic | 269 | 0.11 |
| Flounder/sole | 852 | 0.05 |
| Halibut | 1,398 | 0.26 |
| Herring, Atlantic | 3,424 | 0.04 |
| Lobster | 1,129 | 0.24 |
| Pollack | 922 | 0.06 |
| Salmon, Atlantic, farmed | 3,658 | 0.014 |
| Sea bass | 1,295 | 0.27 |
| Shark | 1,170 | 0.99 |
| Shrimp | 536 | 0.01 |
| Swordfish | 1,392 | 0.97 |
| Tilapia | 240 | 0.01 |
| Trout | 1,744 | 0.03 |
| Tuna, canned, light | 425 | 0.12 |
| Tuna, canned, white | 1,462 | 0.35 |
| Tuna, fresh, yellowfin | 474 | 0.325 |
a
Omega-3 FA represents the sum of EPA and DHA. Shark data from Mozaffarian and Rimm (2006); other data from USDA (2005),
b
MeHg data from FDA (2006); data for salmon reported as fresh/frozen and not distinguished according to source.