Bluefin Tuna

Bluefin Tuna Fish Facts, Diet, Life Span, Size, Weight, Habitat, Reproduction and behavior are listed on this page. Get facts & all information related to Bluefin Tuna from here.

Bluefin Tuna

The bluefin tuna is a species of tuna from the family Scombridae. The species belong to the order Scombriformes and class Actinopterygii. The species declared endangered by the IUCN Red List. It is widely known as the northern Bluefin Tuna or Atlantic Bluefin Tuna. The individual bluefin which exceeds weight 150 Kg is known as the Giant Bluefin Tuna that formerly called tunny. The species is extinct from the Black Sea.

Bluefin Tuna Characteristics

The Atlantic bluefin is a close relative to the species of bluefin tuna which are Southern Bluefin Tuna and Pacific Bluefin Tuna. These are the medium-sized and large individuals are majorly targeted by the Japanese raw fish market. All the bluefin species have the high prices for sushi and sashimi.

The bluefin body is rhomboidal and robust in profile. The above color is dark and gray below on the body, with a gold coruscation covering the body and bright yellow caudal finlets. Their livers have a unique characteristic in which the livers are covered with blood vessels (Striated). A mature adult bluefin average can grow up 2 – 2.25m long and weight around 225 – 250 Kg.Bluefin Tuna | Tunny

Other namesAtlantic Bluefin Tuna, Northern Bluefin Tuna
Average Size80 – 200 cm
Max. Size & Weight4.6 m & 1500 Pounds
Max Age25 Years
Catching Area6% Western Atlantic Ocean

33% Atlantic Ocean Eastern & Mediterranean

60% Pacific Ocean

Biggest MarketsJapan
Production AreasJapan

Bluefin Tuna Diet

The young bluefin eats tiny zooplankton, and their prey size increases as they grow their size. After getting adulthood, they start eating large bony fishes and invertebrates. Similarly, the predators of bluefin don’t let it away. When the young ones hatched, they become the diet of other fishes. And as they move to the adulthood, their population reduced dramatically.

Bluefin Tuna Facts

  • Scientific Name of Bluefin tuna is Thunnus thynnus.
  • The weight of this tuna can be up to 1500 pounds.
  • Bluefin Tuna can dive up to 4000 feet.
  • These tuna fish can live up to 40 years.

Bluefin Tuna Habitat

Bluefins are warm blooded and are comfortable in the cold water of Newfoundland and Iceland. They are also found in the tropical water of the Gulf of Mexico and the Mediterranean Sea where they visit each year for the spawn. Few times in a year, some of them also tracked swimming from North American to European water.

Bluefin Tuna Behavior

The bluefin tuna is the large sized fish which can grow similar to the height of 6 feet human or more. The tunas found in the oceans and generally spawn one time in a year. The behavior of the tuna towards human and other predators is the same. They can swim a bit fast and prefer to escape when found themselves in such situations.

The bluefin tunas are warm-blooded so that they are comfortable in the cold water as well. They use their speed and endurance to prey small fishes and invertebrates. The species is now declared endangered by the IUCN Red List of Threatened Species. Atlantic Bluefin Tuna | Northern Bluefin Tuna | Bluefin Tuna

Bluefin Tuna as Pet

The species should be conserved. The IUCN Red list of threatened species declare the species in endangered category after extinct from the black sea. The Bluefin tuna has the average size about 80-100 cm that is usually uncommon to have at the home.

If you are thinking to have this species at your home then make sure that you have preferable habitat for the bluefin.

Bluefin Tuna Mating

Bluefin Tuna in the East Atlantic & Mediterranean get the maturity at the age of 4 – 5 years while the West Atlantic species get maturity at approximately 8 years. A 5-year-old female can spawn 5 million eggs while a female from 15-20 years can carry up to 45 million eggs. The hatching occurs in two days without any parental care.

The spawning depends on the climate conditions. The bluefins in Mediterranean spawning during the months of May and August while others during June and July. The bluefin tuna larvae mainly found in the special temperature from 24 to 25 degree in water.

This species of tuna also known as the Northern Bluefin Tuna & Atlantic Bluefin Tuna. The bluefins are captured by commercially professional fishermen using purse seines, longlines, assorted hook and line gear, harpoons, and heavy rod and reels. If you are interested to know more about the species of fish then you can explore this site.

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