General Information
NameThunnus
Scientific NameThunnus
DescriptionThunnus is a genus of ocean-dwelling ray-finned bony fish from the Scombridae (Mackerel) family. More specifically, Thunnus is one of five genera which comprise the Thunnini tribe - a tribe that is collectively (and famously) known as the tunas. Also called the true tunas or real tunas, Thunnus consists of eight species of tuna (more than half of the overall tribe), divided into two subgenera. The word Thunnus is the Middle Latin form of the Ancient Greek: θύννος (thýnnos) "tunny-fish"- which is in turn derived from θύνω (thýnō), "rush, dart along". The first written use of the word was by Homer. Their coloring, metallic blue on top and shimmering silver-white on the bottom, helps camouflage them from above and below. They can grow to 15 feet long and weigh over 1,000 pounds, and can swim up to 50 miles per hour when pursuing prey. Atlantic bluefin tunas are warm-blooded, which is a rare trait among fish, and are comfortable in the cold waters. Bluefin fish are found in Newfoundland and Iceland, as well as the tropical waters of the Gulf of Mexico and the Mediterranean Sea, where they go each year to spawn. Tuna can be a good source of omega-3 fatty acids. It can contain 300 milligrams (0.011 oz) per serving. However, the level of omega-3 oils found in canned tuna is highly variable, since some common manufacturing methods destroy much of the omega-3 oils in the fish.
Primary IDFOOD00607
Picture621
Classification
GroupAquatic foods
Sub-GroupFishes
Taxonomy
Lineage
ITIS ID172418
Wikipedia IDThunnus
Composition
Compounds
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Macronutrients
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References
Content Reference— Saxholt, E., et al. 'Danish food composition databank, revision 7.' Department of Nutrition, National Food Institute, Technical University of Denmark (2008).
— U.S. Department of Agriculture, Agricultural Research Service. 2008. USDA National Nutrient Database for Standard Reference, Release 21. Nutrient Data Laboratory Home Page.