Bluefin Tuna facts

While investigating facts about Bluefin Tuna Price and Bluefin Tuna Recipe, I found out little known, but curios details like:

The warm blooded Atlantic Bluefin Tuna is so powerful, it can cook its own flesh with sudden bursts of muscle activity

how bluefin tuna are caught?

Since 2011, NOAA has required the use of thinner, weaker hooks, in the Gulf of Mexico, that straighten to release large bluefin tuna before they die of exhaustion on the line, which resulted in 75% less dead, discarded fish in the Gulf.

What is the biggest bluefin tuna ever caught?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what do bluefin tuna eat. Here are 22 of the best facts about Bluefin Tuna Season and Bluefin Tuna Sushi I managed to collect.

what bluefin tuna eat?

1. Bluefin tuna can struggle so much when caught that it can literally cook itself due to the generated heat from the muscles

2. Researchers at Japanese Kinki University are successfully producing farmed Pacific Bluefin Tuna in hopes of radically changing the world’s food supply

3. In 2013 a 489LB Pacific bluefin tuna was auctioned in japan for $1.76 million – leading to record unit prices of $3,603 per pound

4. Mitsubishi own around 40% of the world's bluefin tuna market and apparently has a huge reserve of frozen tuna they're sitting on for when they go extinct.

5. Full flavor fish include Atlantic mackerel, Chinook salmon, barracuda, Chilean sea bass, sockeye salmon, and Bluefin tuna.

6. Marine life that can be found in the Great Australian Bight include Southern Bluefin tuna, various seafood species, whales, sea lions, albatross, and sharks such as the threatened hammerhead shark.

7. The main commercially fished species from the Sea of Japan include bluefin tuna, sardines, and herring.

8. An Australian laboratory is successfully attempting to breed wild Bluefin Tuna in captivity by mimicking the various conditions of their over one thousand mile migration from Southern Australia to the Javan Sea.

9. The bluefin tuna was a fish that samurai would not eat because they believed it was unclean.

10. There are 4 species of tuna called bluefin tuna, at least 3 of which are endangered.

Why bluefin tuna is expensive?

You can easily fact check why bluefin tuna is endangered by examining the linked well-known sources.

In 2013, a single 487 lb Bluefin tuna sold for $1.76 million.

Bluefin tuna in cold waters, using specialized organs, can raise their body temperature 36°F warmer than the surrounding water temperature - source

Atlantic bluefin tuna can weigh over a thousand pounds - source

Bluefin tuna first began flying to Japan from North America in 1972 after a Japan Airlines executive solved the problem of keeping the fish fresh during the trip. Prior to this, the tuna was viewed as worthless to American fishermen who would pay to have their catch hauled away and buried.

A japanese restaurant owner purchased a bluefin tuna for $1.7 million, it weighed 221kg - source

When is bluefin tuna season?

Bluefin tuna are highly adept predators. They have retractable fins and are able to increase their body temperature, to the point that they can cook their own muscles when exerting themselves for long periods of time.

How bluefin tuna eat?

In 2009 an upscale restaurant called Nobu identified Bluefin Tuna as a threatened species on their menu to appease the scientists protesting the overfishing of our oceans.

Bluefin tuna are warm-blooded, and can heat their bodies 11*F warmer than surrounding water using heat exchangers in their red muscle fibers. I've been eating warm-blooded sushi!

In 2013, a 221 kg (487 lb) bluefin tuna sold for $1.76 million (US). Atlantic bluefin tuna can weigh up to 684 kg (1,508 lbs)

Mitsubishi has a 40% share in the market for bluefin tuna, which are considered endangered, and also stores frozen tuna at -60C, which could potentially be sold for "astronomical sums" if the tuna become commercially extinct in the near future.