Fish is important in the diets and livelihood of many people suffering from vitamin and mineral deficiencies. In this article, fish intake in Mallipattinam and Adirampattinam of Thanjavur District were selected. Fish consumption is also known to have health benefits for adults. Strong evidence underlines how consumption of fish, and in particularly oily fish, lowers the risk of coronary heart disease (CHD) mortality. A daily intake of 250 mg EPA+EHA (Ecosa pentanoic acid+ Ecosa hexanoic acid) per adult gives optimal protection against CHD. For optimal brain development in children, the daily requirement is only 150 mg per day. Although the importance of including fish in a healthy diet is related to its unique nutritional value, increasing evidence shows that beneficial role of fish in our diets by replacing less healthy foods. Wild and responsibly farmed fish are a healthy and good alternative to meet products.