MISQUAH — The muskie came up alongside the boat at 7:40 on Saturday morning, and for a moment nobody in the fourteen-foot Lund — not the four-year-old, not his father, not the net — was entirely sure who had whom.

When it was over, Wyatt Knutson, son of Donna and Fred Knutson, had landed a fifty-one-inch muskie on Whitefish Lake, two inches under the lake record of fifty-three set in 1998 and comfortably the largest fish anyone in town can remember being attached to a person of that height. It was measured against the gunwale, photographed twice, and released, in roughly that order of excitement.

The Knutsons were jigging for nothing in particular off the second weed line when the rod, a child-sized outfit Fred had rigged with heavier line “on a hunch I’m now very proud of,” bent double. What followed was, by Fred’s account, less a fight than a negotiation. “He had both hands on the rod and I had both hands on him,” Fred said. “I’ll be honest, my job was mostly keeping the kid in the boat. He did the reeling. I did the praying.” The fish ran twice, the second time taking the boy to the rail, where his father’s grip on his life jacket became, briefly, the only thing standing between Misquah and a very different kind of story.

Tim Brevik, who runs the bait shop and has weighed or talked down a great many fish stories over the years, drove out to Whitefish on Sunday to see the photographs for himself. He pronounced the fish legitimate, the measurement sound, and the whole business “about the best thing I’ve heard all summer, and I include the bear.” A fish that size, he noted, is fifteen or twenty years old, which is to say it had been in that lake longer than the boy had been alive, several times over. “That fish was cruising those weeds before Wyatt’s parents were married,” Brevik said. “And it got beat by a four-year-old. There’s a lesson in there. I just can’t find it.”

The corner table at the Daybreak Café, the unofficial review board for all claims of this kind, has been unusually quiet on the matter, the photographs having arrived before the doubt could. “We’ve seen a lot of big fish that nobody actually saw,” allowed Harold Aas, a regular. “This one had a witness, and the witness is four, and four-year-olds don’t know how to lie about fishing yet. That’s the gold standard.”

Donna Knutson, who was not in the boat and has heard the story perhaps two hundred times since, said her son’s chief takeaway has been a profound and immediate impatience. “He wants to go again,” she said. “Right now. He doesn’t understand that you can’t just go out and catch a fifty-one-inch muskie whenever you feel like it. He thinks that’s how it works now.” Asked how he caught the fish, Wyatt told the paper, in full: “I just did.” Brevik, informed of the quote, said it was also the most honest answer anyone had ever given him about muskie fishing.