The researchers studied tissue from over 120 fish. They found that 50 to 60 percent of their diet came from ocean’s twilight ...

How far would you go for a good meal? For some of the ocean's top predators, maintaining a decent diet requires some ...

Yellowfin tuna are easily distinguishable from other closely related fish by the streaks of yellow that mark their body and ...

A rare run of bluefin tuna off North Carolina's Outer Banks has pier anglers hooking giants just yards from the beach.

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 ...

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 ...