Fish is often hailed as a nutritional heavy hitter ... Further, the population of sharks is also declining," said Wright. "Tuna is a rich source of vitamins B6 and B12, which helps support immune ...
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 ...