Is Haddock high in mercury?
They include cod, haddock, lobster, oysters, salmon, scallops, shrimp, sole and tilapia. Good choices are safe to eat one serving a week. They include bluefish, grouper, halibut, mahi mahi, yellowfin tuna and snapper. Fish to avoid shouldn't be eaten at all because they have the highest mercury levels.
Which is better haddock or cod?
Cod has a more mild, clean taste. Haddock is more flavorful and “fishy.” However, the difference between Cod and Haddock is more about shape and texture than taste. Cod fillets are thicker and firmer.