Tuna
Tuna are large, fast-swimming saltwater fishes in the tribe Thunnini, within the mackerel family Scombridae.
Tuna are large, fast-swimming saltwater fishes in the tribe Thunnini. They are found worldwide and include commercially important species like bluefin and skipjack.
What it is
Tuna belong to the tribe Thunnini in the mackerel family Scombridae. This group includes about 15 species, from small bullet tuna to the massive Atlantic bluefin. They are not a single fish but a diverse group of related fishes.
Key details
Tuna are streamlined, powerful swimmers that migrate long distances across ocean basins. They are predatory, feeding on fish, squid, and shellfish. Most species are pelagic, living in open waters of warm and temperate seas.
Why it matters
Tuna are among the world's most commercially important fish, widely eaten fresh or canned. They are also a key species in sport fishing and international fisheries management. Canada has a stake in sustainable tuna fisheries and ocean conservation.
In short
- Tuna are a group of related fish, not a single species.
- They are powerful swimmers that migrate long distances.
- Several species are major commercial fisheries.
- Conservation status varies by species.
Tuna is important to Canadian readers as a widely consumed seafood species and as part of Canada’s interest in sustainable ocean fisheries and international tuna management.
Quick questions
What is tuna?
How many species of tuna are there?
Why are tuna important to people?
Sources
- Britannica — https://www.britannica.com/animal/tuna-fishSupports: Tuna classification in Scombridae; general characteristics and commercial importance.
- Wikipedia — https://en.wikipedia.org/wiki/TunaSupports: Tuna as a group in Thunnini; approximate species count and size range.
- National Geographic — https://www.nationalgeographic.com/animals/fish/facts/tunaSupports: Tuna diversity, pelagic habitat, predatory diet, and broad biological overview.
- Marine Stewardship Council — https://www.msc.org/what-you-can-do/eat-sustainable-seafood/fish-to-eat/tunaSupports: Tuna as a widely eaten fish and notes on common species and consumption forms.
- Smithsonian Ocean Portal — https://ocean.si.edu/ocean-life/fish/big-tunasSupports: Tuna as large, athletic predatory fish and broader family context.