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The Collaborative International Dictionary
bluefin tuna

Tuna \Tu"na\, n. [Cf. Tunny.]

  1. (Zo["o]l.) any one of several species of large oceanic fishes belonging to the mackerel family Scombridae, especially the bluefin tuna ( Thunnus thynnus, formerly Orcynus thynnus or Albacora thynnus), called also the common tunny or great tunny, a native of the Mediterranean Sea and of temperate parts of the Atlantic Ocean. It sometimes weighs a thousand pounds or more, and is caught commercially in large quantity for use as food; -- also called, especially in Britain, tunny. It is also one of the favorite fishes used by the Japanese in preparing sushi. On the American coast, especially in New England, it is sometimes called the horse mackerel. Another well-known species is the yellowfin tuna ( Thunnus albacares) of warm seas. the See Illust. of Horse mackerel, under Horse.

    Note: The little tunny ( Gymnosarda alletterata) of the Mediterranean and North Atlantic, and the long-finned tunny, or albacore ( Thunnus alalunga) (see Albacore), are related species of smaller size.

  2. The bonito, 2.

  3. the meat of the tuna, used as food; -- also called tuna fish.

Wiktionary
bluefin tuna

n. 1 A member of a species of tuna, ''Thunnus'' genus, having blue fins, including 2 # (taxlink Thunnus thynnus species noshow=1), (vern Atlantic bluefin tuna pedia=1), found in both the western and eastern Atlantic Ocean, and also
in the Mediterranean Sea. 3 # (taxlink Thunnus tonggol species noshow=1), (vern longtail tuna pedia=1), found in tropical Indo-West Pacific waters. 4 # (taxlink Thunnus orientalis species noshow=1), (vern Pacific bluefin tuna pedia=1), found widely in the northern Pacific Ocean and locally in the south. 5 # (taxlink Thunnus maccoyii species noshow=1), (vern southern bluefin tuna pedia=1).

WordNet
bluefin tuna
  1. n. flesh of very large tuna [syn: bluefin]

  2. largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics [syn: bluefin, horse mackerel, Thunnus thynnus]

Wikipedia
Bluefin tuna

'''Bluefin tuna ''' is a common name used to refer to several species of tuna of the genus Thunnus.

Species

Common name

Image

Range

Note

T. maccoyii

Southern bluefin tuna

Thmac u0.gif

found in open southern hemisphere waters of all the world's oceans

T. orientalis

Pacific bluefin tuna

Thunnus orientalis (Osaka Kaiyukan Aquarium).jpg

found widely in the northern Pacific Ocean and locally in the south

Formerly known as northern bluefin tuna.

T. thynnus

Atlantic bluefin tuna

Bluefin-big.jpg

found in both the western and eastern Atlantic Ocean, and also in the Mediterranean Sea

Formerly known as northern bluefin tuna, and highly prized as a food fish, leading to overfishing.

T. tonggol

Longtail tuna

Thton u0.gif

found in tropical Indo-West Pacific waters

Known as the northern bluefin tuna in Australia, as it is found off their northern coast.

Category:Commercial fish Category:Thunnus

Usage examples of "bluefin tuna".

It was the same one that I had used to hook that bluefin tuna a few weeks earlier.

Giant bluefin tuna are still hunted this way, but fishermen use spotter planes to find their prey and electric harpoons to kill them.

Widowed at twenty-three when her husband had been crushed in a stampede of panicked three hundred kilo bluefin tuna, at thirty she had yet to remarry.

Deep-sea fishing boats were catching bluefin tuna within a hundred yards of the shore.

At first glance the fish looked similar in size and shape to the Bluefin Tuna, but on closer inspection, the bottom pelvic fins took on the appearance of small jointed webbed feet.

His family had owned a controlling interest in one of the great schools of bluefin tuna that followed the circle migratory route between North and South America and Japan.