Oily fish:
– Oily fish contains Dioxin and PCB . Limit oily fish intake to no more than 2 portions a week, such as salmon, trout, mackerel or herring.
Tuna:
– Tuna contains Mercury. Limit tuna steak to no more than 2 (about 140g cooked or 170g raw) or 4 medium-size cans of tuna (about 140g when drained) per week.
– You can have 2 tuna steaks, or 4 medium-size cans of fish, as well as 2 portions of oily fish per week.
Shell fish:
Cook through all types of shellfish before consuming.
– Shrimps
Avoid taking swordfish, marlin, shark.