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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

Mr Kimura paid 56.5 million yen for a bluefin tuna in 2012 and 155 million yen in 2013 - setting record prices both times.

From BBC • Jan. 5, 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

It’s a giant bluefin tuna like my dad used to harpoon.

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