Tuna, head long, body length nearly four times head length; pectoral fins very long, sickle-shaped, longer than the head length, ends reach the vertical line on the beginning of the second dorsal fin; caudal fin on each side of the three elevated crest. Dorsum dark, abdomen pale, body color uniform. The small fins are lemon yellow. Pictures are as follows
Tuna meat is tender and tasty, with high protein content; it is rich in biologically active polyunsaturated fatty acids such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA).
Expanded
Tuna meat is tender, rich in protein, fat, vitamins A, D and trace elements, especially DHA (docosahexaenoic acid) and EPA (eicosapentaenoic acid), such as polyunsaturated fatty acids, methionine, taurine, minerals and vitamins, etc., which can help the function of liver, and is very useful to the Drinkers by a very good protective effect.
EPA and DHA have the ability to inhibit platelet aggregation, reduce thrombosis, lower cholesterol, and prevent cardiovascular disease; they are anti-inflammatory, anti-cancer, and enhance autoimmunity; and they can enhance the function of the nervous system, improve brain health, prevent Alzheimer's disease, and protect eyesight.
Baidu Encyclopedia - Tuna