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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.

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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

A Japanese sushi entrepreneur paid a record $3.2 million for a giant bluefin tuna Monday at an annual prestigious new year auction in Tokyo's main fish market, smashing the previous all-time high.

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

Harry Polkinghorne, a keen 19-year-old angler, described how he regularly sees bluefin tuna now, including large schools of the fish in frantic feeding frenzies.

From BBC Aug. 10, 2025

A bluefin tuna is going to change my life.

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

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