What began as a difficult tuna trip off Massachusetts turned into a remarkable offshore catch Wednesday when Capt. Damon Sacco, angler Walter Chapman and the crew of the Castafari landed a 1,260-pound Atlantic blue marlin after roughly three hours of fighting the fish. The catch matters well beyond one charter boat: at only 142 pounds below the IGFA world record, the giant marlin ranks among the most extraordinary specimens encountered along the U.S. East Coast and underscores how quickly conditions in productive offshore waters can turn an ordinary fishing day into a once-in-a-lifetime event.

The trip had started slowly. Sacco and four anglers had spent hours trolling for yellowfin tuna with little to show for the effort beyond a single fish. The captain eventually moved farther east in search of better conditions and found the signals offshore fishermen look for: birds working above the water, abundant bait and tuna feeding below. The move paid off quickly, with the crew encountering tuna of different sizes, including fish approaching 90 pounds, in water roughly 1,400 feet deep. The feeding activity appeared concentrated around squid, creating exactly the kind of food chain that can attract a much larger predator.

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The crew had just finished boating several tuna and only two lines remained in the water when Sacco spotted a huge fin moving toward the boat. At first, its size made him think he was looking at a large shark. Then a bright neon-blue flash beneath the clear water revealed something entirely different: an enormous blue marlin had moved into the feeding zone. The likely attraction was the concentration of tuna around the boat. In the confusion created by the previous catches, however, the remaining rods had been switched in their holders, setting up an accidental bait presentation that would change the entire day.

A Three-Hour Fight With a Marlin Far Bigger Than Anyone Expected

Sacco intended to put a dedicated marlin lure in front of the fish, but he grabbed the wrong rod and instead dropped back a rigged horse ballyhoo paired with a pink squid. The mistake hardly mattered. The marlin crushed the bait and immediately erupted from the water. Sacco initially estimated the fish at around 900 pounds, only to discover later that he had underestimated it by more than 300 pounds. Within seconds, the marlin launched into a blistering run that nearly emptied the reel and jumped completely out of the water three times, forcing Sacco to turn the Castafari and chase the fish.

Chapman, who had previously fished with Sacco, took over the rod and settled into a punishing battle. Nearly two hours passed before a mate was able to touch the leader, making the catch official under sport-fishing convention. The marlin immediately surged away again, however, extending the fight for another hour. One of the biggest complications was the tackle itself: the crew was using tuna gear that was relatively light for a blue marlin exceeding 1,000 pounds. Rather than applying excessive pressure and risking a broken line, they worked the fish methodically and allowed the tackle to absorb the enormous strain.

The size of the marlin created another decision for the captain and crew. Sacco said his operation releases roughly 95% of the marlin it catches, but this fish appeared large enough to raise legitimate questions about whether it could approach record territory. He had previously released another marlin estimated in the 1,000-pound class and was left wondering what that fish might actually have weighed. With the latest catch clearly exhausted after the prolonged fight, the crew decided to bring it aboard and return to shore so its weight could be established on a certified scale.

Back in Falmouth, Massachusetts, the numbers confirmed just how unusual the catch was. The certified weight was 1,260 pounds, while the fish measured 82 inches in girth and approximately 12 feet from the fork of its tail to the tip of its lower jaw. The marlin is believed to rank among the heaviest Atlantic blue marlin ever caught off the U.S. East Coast. For perspective, a fish weighing 1,260 pounds is heavier than many mature beef cattle, an extraordinary mass for an animal capable of the explosive speed and aerial displays witnessed during the fight.

The benchmark remains the 1,402-pound, 2-ounce Atlantic blue marlin caught by Paulo Amorim off Brazil in 1992, which stands as the IGFA all-tackle world record. The Massachusetts fish finished about 142 pounds short of that mark. Yet the circumstances surrounding the catch make the gap almost secondary: a charter targeting yellowfin tuna, an accidental bait choice, relatively light tackle and a sudden encounter with a fish weighing well over half a ton combined to produce an offshore fishing story likely to be remembered for years.

After the official weighing, the marlin was processed and its meat was distributed among the anglers, crew members and fishing friends. Sacco, a former Boston restaurant owner, also preserved unusual reminders of the catch. He kept the fish's bill and had an ink impression made from its enormous tail on canvas. For the crew of the Castafari, those keepsakes capture the scale of a day that began with frustratingly little action and ended with 1,260 pounds of blue marlin on a certified scale - tantalizingly close to one of sport fishing's most imposing world records.