General term for tuna, especially in culinary contexts. Often used in sushi restaurants.
Today's tuna is very fresh.
Specifically refers to the Pacific bluefin tuna (クロマグロ). More precise than the general sense.
See also: クロマグロ
Shibi is also used as another name for the Pacific bluefin tuna.
Hiragana spelling, also used.
Kanji form is rare; the word is usually written in kana. This kanji is more commonly read まぐろ.
The origin is uncertain. It may be a dialectal or specialized term for tuna, possibly from the sushi industry.