The aquarium’s Seafood Watch upgraded some bluefin caught off the coast of California and Mexico from red (avoid) to yellow (good alternative).

The Atlantic bluefin tuna is one of the largest ... and some tagged specimens have been tracked swimming from North American to European waters several times a year. They are prized among sport ...

“Understanding the swimming performance for tuna at such ... “We measured the turning performance of Pacific bluefin tuna and found it far greater than the robotic performance,” says Fish.

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 ...

MIGRATION: Atlantic bluefin tuna are highly migratory and they swim across the great Atlantic at speeds up to 55 miles per hour. However, bluefin tuna also have strong homing instincts and faithfully ...

Restaurants like Shoji serve raw bluefin tuna, or what's called kuro maguro ... and it lived in clean waters, and was able to swim around a lot. So, a farm-raised tuna is, generally, force-fed ...