Compared nutritional values of various livestock products
Development Fishery for the future, FAO (1992)
Fish contains as much protein but less fat than meat.
The protein-rich fish and shellfish are as nutritious as meat, more than milk and generally contain less grease and calories.
Fish is recommended by physicians for the quality of its proteins and because it contains high amounts of minerals, vitamins and polyinsaturated fatty acids that reduce risks of arteriosclerosis.