A Tuna is a saltwater fish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae) – which together with the tunas, also includes the bonitos, mackerels, and Spanish mackerels. Thunnini comprises fifteen species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max. length: 50 cm (1.6 ft), weight: 1.8 kg (4 lb)) up to the Atlantic bluefin tuna(max. length: 4.6 m (15 ft), weight: 684 kg (1,508 lb)). The bluefin averages 2 m (6.6 ft), and is believed to live for up to 50 years
Not only is fish delicious, it’s good for you. A low-fat, high-protein powerhouse packed with omega-3 fatty acids, fish offers a wide range of health benefits, from keeping your brain and heart functioning properly to helping ease symptoms of depression, and even keeping your skin and hair looking radiant.
Medical evidence suggests that eating fish on a regular basis—two or three times a week—may help to reduce the incidence of heart disease.
Feeling blue? Eat some fish. Research has discovered links between low omega-3 levels and higher incidences of depression, seasonal affective disorder, and postpartum depression.
DHA plays a huge role in the health of a growing fetus, contributing heavily to the development of a baby’s brain and central nervous system.