Given how confusing and contradictory health advice from the “experts” can frequently be, it’s refreshing to find a principle upon which absolutely everyone agrees. One such principle is to eat more vegetables and fruit. Another is that seafood is one of the healthiest foods on the planet.

Fish in general is a high-protein, low-calorie food that provides a range of health benefits, but some fish are real superstars. Fish high in omega-3s that are caught or farmed in an ecologically sound manner and are low in contaminants include wild salmon from Alaska (fresh, frozen, and canned), Atlantic mackerel and herring, sardines, sablefish, anchovies, and farmed oysters.

White-fleshed fish, on the other hand, is loaded with ...

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