The bluefin tuna, one of the world's most remarkable ocean creatures, is in trouble and needs your help. Overfishing is driving this mighty warm-blooded fish toward the brink of extinction, and yet ...

Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body temperature, which helps during their epic journeys across the Atlantic. Bluefin tuna are top ocean predators and ...

The Atlantic bluefin tuna is one of the largest ... Atlantic bluefins are warm-blooded, a rare trait among fish, and are comfortable in the cold waters off Newfoundland and Iceland, as well ...