As a very reliable source of animal protein, fish is very good to be consumed because it contains complete amino acid and it is easily digested. Therefore, it can be consumed by all consumers ranging from children to adult people. One of the fisheries' resources that contains high nutritional value is Eel (Anguilla sp.). Iran waters are known as the center of distribution of the tropical anguillid eels in the world. Besides having a delicious taste, eel also has high nutritional content. It is believed that consuming eels has very good health advantage to cure various diseases. Both wild and cultured Eel is known to have high levels of protein, fat and vitamin A. Eel fish in Iran had a protein content of 16.6 to 17.70%; fat content from 10.85 to 19.44%; Vitamin A of 400-1600mg/100g; and Vitamin E of 0.5 to 5.5 mg/100 g dry weight. Furthermore. the fatty acid compositions were 22.78% of saturated fatty acids (SFA). 32.84% of monounsaturated fat acids (MUFA). 11.40% polyunsaturated fat acids (PUFA). 1.15% of EPA and 5.16% of DHA.