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bluefin tuna

American  
[bloo-fin] / ˈbluˌfɪn /

noun

  1. a large tuna, Thunnus thynnus, common in temperate seas.


Etymology

Origin of bluefin tuna

First recorded in 1920–25; blue + fin 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some species, such as Atlantic bluefin tuna, can temporarily cope by diving deeper or increasing heat loss, but even these adaptations may not be enough if surface waters keep warming.

From Science Daily • Apr. 18, 2026

Dave Gershman at the Pew Charitable Trusts' international fisheries team used news of the auction to highlight that stocks of Pacific bluefin tuna were improving after being "near collapse".

From Barron's • Jan. 5, 2026

The shop has also seen its share of massive fish, including when store owner Ken Brown hooked a 202.6-pound bluefin tuna in 2022.

From Los Angeles Times • Aug. 21, 2025

Scientists and amateur naturalists have observed a remarkable range of species not usually widespread in UK waters, including octopus, bluefin tuna and mauve stinger jellyfish.

From BBC • Aug. 10, 2025

A bluefin tuna ain’t a whale, but still it’s way bigger than me, and a million times stronger, pound for pound.

From "The Young Man and the Sea" by Rodman Philbrick

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