Those countries fish nearly all the bluefin caught in the region. While their numbers have risen quickly, Pacific bluefin tuna are still ... have recorded them swimming from California to Japan ...

Professor Block’s team used electronic tags to monitor bluefin tuna in the wild: “These fish are born in the waters off Japan and will swim across the ocean in their first year of life to California.

At one time, San Diego was known as the “tuna capitol of the world,” with two of the nation’s largest canneries right here aside San Diego Bay. By the 1960s, tuna fishing and processing was the city’s ...

The Atlantic bluefin tuna is one of the largest ... among the most ambitiously migratory of all fish, and some tagged specimens have been tracked swimming from North American to European waters ...

Eventually, they'll go back to their own river, swimming and leaping back up to where they began life. Now it's their turn to lay eggs that will hatch into young fish. Tuna fish live in salty water.

Eventually, they'll go back to their own river, swimming and leaping back up to where they began life. Now, it's their turn to lay eggs that will hatch into young fish. Tuna fish live in salty water.

Those countries fish nearly all the bluefin caught in the region. While their numbers have risen quickly, Pacific bluefin tuna are still ... have recorded them swimming from California to Japan ...