Recommended serving size of fish per person
A typical serving size of fish can range from 3 to 6 oz, depending on the type of fish and its preparation. The American Heart Association considers 3.5 oz. of cooked fish, or about 3/4 cup, to be a single serving. can of tuna contains about 5 oz. and lists 2 oz., or 1/4 cup, as an appropriate single serving size on the nutrition label. The American Dietetic Association food exchange lists calculate using 1 oz. servings of fish.