Question

Tuna
Tunas (from top): albacore, Atlantic bluefin, skipjack, yellowfin, bigeye
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Scombridae
Subfamily:	Scombrinae
Tribe:	Thunnini Starks, 1910
Genera
Allothunnus: slender tunas Auxis: frigate tunas Euthynnus: little tunas Katsuwonus: cocinal tunas Thunnus: albacores, true tunas

This article is one of a series on
Commercial fish
Large pelagic
billfish, bonito mackerel, salmon shark, tuna
Forage
anchovy, herring menhaden, sardine shad, sprat
Demersal
cod, eel, flatfish pollock, ray
Mixed
carp, tilapia

External video

Tuna pole and line fishing BBC Two

Tuna, light, canned in oil, drained solids

Nutritional value per 100 g (3.5 oz)
Energy	830 kJ (200 kcal)
Carbohydrates	0 g
Fat	8 g
Protein	29 g
Vitamins
Vitamin A equiv.	(3%) 23 μg
Choline	(6%) 29 mg
Vitamin D	(45%) 269 IU
Minerals
Calcium	(1%) 13 mg
Iron	(11%) 1.4 mg
Magnesium	(9%) 31 mg
Phosphorus	(44%) 311 mg
Potassium	(4%) 207 mg
Zinc	(9%) 0.9 mg
Other constituents
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