Records in the natural world rarely fall with a thunderclap. More often, they erode quietly over decades, worn down by thousands of empty mornings, shifting weather patterns, and the slow march of generational change. For over fifty years, the benchmark for South Dakota’s pumpkinseed sunfish sat untouched, a ghost statistic from an era when Nixon was in the White House and polyester was standard issue. That record belonged to Pat McCart, set in 1970 at Lake Carthage. For more than half a century, anglers came and went, chasing sunfish across the prairie state, never quite managing to eclipse the 12-ounce mark.
Then came a routine June afternoon on Wall Lake, an 220-acre body of water near Harrisburg.
Jack Backman, a teenager from Harrisburg, wasn't hunting history when he launched his 18-foot Lund aluminum boat alongside his friend Garrett Johnson. They were after walleye, the undisputed heavyweight monarch of regional Midwest angling, a species that commands millions of dollars in tournament purses and guides the management strategies of state wildlife agencies. Panfish like pumpkinseeds are usually treated as accidental bycatch, the small change you collect while looking for a twenty-dollar bill. Yet the intersection of modern marine electronics, biological longevity, and pure, unadulterated probability changed the state record books forever.
The Anatomy of an Accidental Legend
The mechanics of the catch challenge conventional assumptions about how historic fish are found. Backman and Johnson were working the water around three in the afternoon, relying on forward-facing sonar to scan the water column. For traditionalists who remember anchoring over weed beds and guessing based on ripple patterns, modern high-frequency sonar has transformed fishing into an exercise in high-definition tracking.
The screen lit up with a suspension target hanging roughly two feet down in fourteen feet of water, hovering near a submerged tree structure. Backman flicked a quarter-ounce black Northland tungsten jig tipped with a live nightcrawler toward the target zone. Using a spinning setup outfitted with 10-pound braided line and an 8-pound fluorocarbon leader, he expected a crappie.
What rose from the depths bore the unmistakable, iridescent green, orange, and blue palette of a pumpkinseed sunfish (Lepomis gibbosus).
In most aquatic ecosystems, pumpkinseeds face intense predatory pressure and heavy competition for invertebrate food sources, capping their growth well before they reach pan size. To hit the elite tier, a sunfish must navigate a narrow corridor of survival: escaping northern pike, largemouth bass, avian predators, and commercial or recreational harvest pressure year after year. A one-pound pumpkinseed is not merely an old fish; it is an anomaly of survival, a biological survivor that managed to evade the food chain long enough to achieve maximum mass.
Beyond the Luck Factor
Skeptics often write off state records as statistical lotteries, but a closer examination of South Dakota’s fishery archives reveals a pattern of shifting baselines. Over the past decade, state records across multiple species have tumbled, driven by a combination of refined angler tactics, advanced electronics, and subtle shifts in water fertility and temperature.
Consider the massive 16-pound, 8-ounce walleye pulled from Lake Oahe, or the titanic 127-pound paddlefish hauled out of Lake Francis Case. These aren't just flukes. They represent maturing aquatic management systems, improved water quality controls, and an angler base that covers water more efficiently than any generation before them.
When Backman brought the fish to the boat, Johnson netted it cleanly. Lacking an onboard scale, the pair realized they were holding something unusual, recalling that the existing state benchmark sat at a meager 12 ounces. A quick detour to meet a friend with a digital scale confirmed the initial weight cleared the threshold. From there, the process shifted from casual sport to bureaucratic protocol. They carried the fish to a local grocery store, placing it on a commercial scale certified for trade accuracy.
The digital readout stabilized at exactly one pound. Fifty-six years of record-keeping history dissolved into a grocery store receipt.
The Weight of History
State wildlife departments validate records not for the sake of glory, but to monitor the upper limits of ecosystem health. A maximum-growth specimen provides marine biologists with critical data points regarding longevity, parasite resistance, and local forage abundance. While Backman’s fish falls short of the all-tackle world record—held by Robert Warne with a 1-pound, 8-ounce specimen pulled from a New York water body in 2016—its regional significance is absolute.
It stands as a reminder that wild environments still hold margins of mystery. In an era where every square foot of public water is mapped, charted, and pounded by high-tech tournament boats, a teenager floating on a 220-acre prairie lake can still cast into the shadows of a sunken tree and pull out a ghost from 1970.
The line is cast, the weight is logged, and the clock resets.
Jack Backman's record pumpkinseed catch in South Dakota
This video provides additional context on monumental state record fish discoveries in South Dakota waters.
