Fred Lavitman embarks on a dangerous 150-mile trip to Georges Bank, fighting to land a record-size Bluefin Tuna.

1000-pound plus Bluefin Tuna off the coast of Canada. Fred attempts to break his record of 1100 pounds on standup gear.

Fishermen's GPS tracks flagged tuna shifts before temperatures did. Fleet data may be a near‑real‑time ocean sensor.

Those warm days last week were nice, but winter isn’t over and the freezing temperatures of earlier this week are a reminder.