The Atlantic bluefin tuna hunts like a wolf and is built like a barrel. “They’re power-packed animals,” says Mike Jech, a fishery biologist with the National Oceanic and Atmospheric Administration’s Northeast Fisheries Science Center in Woods Hole, Massachusetts. Often stretching more than six feet long and topping 500 pounds, hefty Thunnus thynnus travel in packs, zooming in and out of various types of formations, from long lines to dense clusters. Typically, the titanic tuna swim at the pace of a moderate walk, around three miles an hour, but when they…
