Ahi is used to refer to yellowfin and bigeye tunas in Hawaii ... with depths of about 100 to 300 feet. Although not the largest tuna species, they can grow quite large. Some of the largest ...

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

Join us for an epic sportfishing adventure in San Diego, targeting big bluefin and yellowfin tuna, along with yellowtail, in ...

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

They didn't vary much from individual to individual," Willis says. "Whereas the swordfish and yellowfin tuna were more variable. That means if you start having big-scale fishing in the twilight zone, ...

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.