Seafood nutrition (fish and crustaceans) is a low calorie, low fat, white meat and widely acknowledged as an healthy food. Crustaceans and mollusk lean white meat is a good source of protein; being complete in all essential amino acids in right proportions.
Fattier fish like mackerel and herring can be a good source of Vitamin D and Vitamin A. Most types of seafood are a reasonable source of minerals such as phosphorus, potassium, and selenium.
Data Source: Nutrition Labeling Data for Top 20 U.S. Seafoods Provided by the Food and Drug Administration. Data developed by Food Marketing Institute and National Fisheries Institute in cooperation with National Grocers Association and National-American Wholesale Grocers’ Association. 1992