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 ...

Tuna is a truly global fish. Different varieties of tuna can be found in nearly every ocean, after all, and each type carries ...

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 ...

The Atlantic bluefin tuna is one of the largest, fastest, and most gorgeously colored of all the world’s fishes. Their torpedo-shaped, streamlined bodies are built for speed and endurance.

Restaurants like Shoji serve raw bluefin tuna, or what's called kuro maguro ... and we will take one of the two belly quarters. Narrator: Here's what one quarter looks like when it's delivered.