The allusive bluefin tuna is one of the largest, fastest and most sought after fish in the wild sea. Bluefin tuna can weigh more than half a ton, reach a length of over four meters and dive up to 1,000 meters deep. They can reach speeds of 70 miles per hour and even raise their body temperature far above that of the surrounding water to cross Arctic waters. They are among the most ambitious migratory of all fish, with some tagged bluefin tuna being tracked as they swim from North American to European waters several times a year. Bluefin tuna is unique, a perfectly adapted product of evolution. They are also dangerously close to extinction (Brown). Today 97% of bluefin tuna have been caught compared to pre-fishing levels of the 1950s (Walsh). Much of this stock depletion comes from overfishing. Fished for its dense, dark red flesh used in sushi, bluefin tuna has become a highly valuable commercial fish as consumers continue to want more and are willing to pay high prices for it (Foster). Scientists, however, are calling on sushi lovers to stop eating bluefin tuna, to help supplies regain balance (Walsh). While much of the developed world enjoys sushi, Japan itself consumes 80% of the bluefin tuna caught worldwide. In Japan, where sushi is a cultural delicacy and is taken very seriously, the finest pieces of sashimi or O-Toro, which are small raw pieces of thinly sliced ​​Bluefin, can sell for as much as $24 a piece for 1 ounce. . portion in upscale sushi restaurants. (Foster) In early 2013, at Tokyo's Tsukij fish market, the best example of the price of bluefin tuna came when a single bluefin tuna sold for $1.78 million. That particular bluefin tuna weighed 489p... middle of the paper... in December 2013. In the article "Japan's bluefin tuna is disappearing: few chefs fear shortages", by Malcolm Foster, the author explains how the Japan observes bluefin tuna. It also provides details on the industry and the role it plays in Japan.Mercopress. Bluefin tuna opens 2013 with a record auction price in Tsukiji: 1.78 million dollars. (2013). Network. December 20, 2013. In the article, "Bluefin tuna opens 2013 with record auction price in Tsukiji." The article explains how a single bluefin tuna sold for $1.78 million and why it sold for so much. Walsh, Bryan. Pacific bluefin tuna: go, go. (2013). Network. December 20, 2013. In the article “Pacific Bluefin Tuna, Going, Going” by Bryan Walsh, the author explains the situation surrounding bluefin tuna. The author cites scientific evidence with authors in the fields of biology and marine studies.