Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body ...

There are multiple species of bluefin tuna, including the Pacific bluefin tuna, the Atlantic bluefin tuna and the southern bluefin tuna, according to the International Union for Conservation of ...

A bluefin tuna sold for $1.3 million at a predawn auction in Tokyo on Sunday morning, making it one of the most expensive tuna to be sold in the history of sushi. The 608-pound fish, equivalent in ...