Capt. Jim Walsh on his 100-foot charter boat, American Classic, left the Hampton, New Hampshire, marina on Sunday.⁠ ⁠ On board that day was 13-year-old Jackson Denio, an experienced angler and a deck hand for half-day fishing charters for Al Gauron Deep Sea Fishing charters. Walsh is running charter trips through Gauron’s business, and Denio was along for the trip. About 10:30 a.m. Denio hooked something large, and everyone on board took notice, including Walsh. Half an hour later Denio had worked the fish up from the bottom near their boat, where crew members sunk a large flying gaff into it. At a fish house near the marina they weighed Denio’s halibut on certified scales. It tallied 177 pounds and taped out at 72 inches long. The paperwork is being filled out now to certify the halibut as a world-record in the International Game Fish’s youth category (age 16 and under). The IGFA youth record Atlantic halibut is currently vacant, so it’s likely Denio’s fish will become a world-record ...