Today’s electronics allow anglers to scan forward, down, sideways and everywhere in between. James Lindner reveals his method for using sonar to locate whitefish, then has fun using Mega Live imaging to observe the fish charge, chase, and eat their baits.
Unlocking the Mystery of Whitefish: Sonar, Strategy, and a Hidden Gem in North American Fishing
Rediscovering a Forgotten Sport Fish
In the deep, cool waters of many North American lakes lives a highly underrated game fish—the whitefish. Often overlooked and underappreciated by anglers, these members of the salmonid family thrive in cold water and provide thrilling fishing opportunities for those willing to seek them out. Fishing veterans Jim and Jake Wallace recently set out to target this elusive species using modern sonar technology, revealing just how exciting whitefish angling can be.
Locating Whitefish: The Importance of Structure and Sonar
The key to successful whitefish fishing starts with understanding where to look. Jim and Jake began by scanning a variety of deep-water structures—main lake points, sunken humps, saddle systems, and cold water basins between 30 and 75 feet deep. These features often concentrate whitefish, especially near the edges of deep basins that act as cold-water sinks.
But locating fish isn’t just about luck—it’s about precision. Using down imaging, 2D sonar, side imaging, and Humminbird’s Mega Live forward-facing sonar, they identified not only where fish were holding, but more importantly, where actively feeding whitefish were suspended higher in the water column—typically between 25 to 40 feet. These higher fish are far more likely to bite.
As Jake explained, “We’re not looking for those really deep fish. The ones we want are up higher—they move into the water column to feed.” With that approach, they marked schools and dropped waypoints, returning later to target specific groups.
Casting with Purpose: Reading Fish Behavior in Real Time
Armed with sonar data, Jim and Jake began casting. One of the most powerful tools in their arsenal was Mega Live sonar, which allowed them to track schools in real time and monitor how individual fish responded to their lures. This live feedback changed the way they fished.
“When you can see how the fish are reacting to your bait,” Jim said, “you’re way more willing to make quick changes—whether that’s switching baits or adjusting your retrieve.” Watching the fish nose up to a lure, follow it, or lose interest gives critical insight into their mood.
The Action Begins: Jigging and Hookups
With the fish located and active, the strikes came quickly. Jake opted for a spoon while Jim worked a jigging rap, each using distinct presentations to see what triggered more bites. Mega Live let them watch their jigs fall through the water column and gauge the exact moment a fish moved in. “He’s hot on it,” Jim noted, seconds before a fish slammed his bait.
When one of them hooked up, the other often saw multiple fish on the screen following or competing for the bait. This visual intel helped them fine-tune their approaches and take full advantage of the school dynamics. As Jake said, “A little competition between them gets things going.”
Fine-Tuning with Tackle and Presentation
The duo didn’t just rely on stock tackle—they customized their gear to match the behavior of the fish. Jim used a St. Croix Icon vertical jigging rod, typically meant for walleyes, which offered the soft action needed for detecting subtle bites while jigging for whitefish.
As far as baits, they rotated between Rapala Jigging Raps, Flat Jigs, and the Luhr-Jensen Crippled Herring, modifying some with VMC bladed hybrid trebles or feathered hooks to increase flash and hooking percentage. “That little flash or tail hair makes a difference,” Jim noted, especially when fish were following but not committing.
Forward-Facing Sonar: The Game Changer
Perhaps the biggest revelation was the power of forward-facing sonar. Jim demonstrated how he could spot fish up to 75 feet away from the boat, pitch a bait right to them, and watch the interaction unfold. “I dropped it down, gave it a couple pops, and watched him go ‘zook—dunk—got him,’” he said, describing a textbook whitefish takedown.
The real-time imaging created a level of precision and efficiency that’s nearly impossible to match with traditional sonar. It turned what might have been a guessing game into a strategic pursuit of individual fish or small pods.
Productive Patterns and Pacing the Boat
By panning the trolling motor left and right, Jim could sweep the sonar beam across the water ahead of them. As he identified targets, he aligned the boat’s direction with the school’s path. “Once I see where the fish are, we just keep the trolling motor heading that way,” he explained. Then, with a quick cast, he dropped his jig right into the strike zone.
This constant feedback loop—see fish, pitch bait, watch reaction, hook up—gave the pair a dynamic and engaging way to fish, and proved that whitefish are far from boring.
Reading Reactions: When Fishing Meets Real-Time Feedback
As Jim and Jake continued working their magic on suspended whitefish, the real-time feedback of forward-facing sonar like Mega Live was again the star of the show. Watching how a whitefish would react—racing up to a bait, hesitating, or darting off—let them adapt their presentation in the moment. “Got it,” Jim called out, as he watched a fish rocket up and crush his jig on the drop.
This kind of instant reaction data gave them an enormous tactical advantage. “You can actually see which fish have the right attitude,” Jim explained. “You flip the bait away from the boat, the fish sees it dropping, starts moving toward it—you give it a couple of pops, and boom, it’s game on.”
The Right Rod, Reel, and Rig for the Job
To execute their plan, Jim relied on a highly refined gear setup. His go-to was the St. Croix Icon Medium Power rod, which offered enough backbone to drive hooks in deep water, but a sensitive tip to detect subtle strikes. He paired it with a Daiwa Kage LT 2500 spinning reel, known for its smooth drag and solid line capacity—both vital for handling the hard-fighting whitefish.
On the line side, Jim spooled with 10 lb Sufix 832 braid, finished off with a Sufix 6 lb fluorocarbon leader and a VMC barrel swivel to minimize line twist during jigging. This finesse-forward setup was critical in deep water and paid off with consistent hook-ups and clean fights.
Mapping and Execution: Sonar Layers and Trolling Motor Precision
Locating fish started with traditional sonar and mapping to identify schools and drop GPS waypoints. Once they had targets marked, they dropped the trolling motor, engaged the Mega Live, and fished those spots directly. By alternating between forward view, down view, and even landscape mode (for shallow water), they fine-tuned their presentation based on fish depth and movement.
In one key sequence, Jim used down mode to pinpoint fish stacked 20 feet to the right of the boat. He gently moved in with the trolling motor, dropped his jig, and watched a fish react instantly. “That one liked it,” he said, seconds before hooking up. “You can tell the ones that are ready to go—they’ve got that vapor trail.”
“Cat and Mouse” with a Clumsy Eater
Despite their size, whitefish can be clumsy, almost playful eaters. Multiple times, Jim and Jake watched fish chase, bump, and circle baits without committing. “They really like that cat and mouse game,” Jim said. It wasn’t unusual to see a fish take multiple swipes before finally getting hooked—or dart away after a few failed attempts.
That’s where the live sonar made all the difference. Knowing whether to pause, pop, or completely change baits became a real-time decision. And when it worked, it was magic.
A True Sport Fish, Hiding in Plain Sight
Throughout the day, the whitefish just kept coming—many of them big, beautiful fish with surprising strength. “These are jumbo whiteys,” Jake said, admiring another 4+ pound fish in the net. “They’re all the same—just tanks.”
And while whitefish have traditionally flown under the radar, they proved to be a worthy quarry. As Jim reflected, “They really are tremendous sport fish. It’s like video game fishing on steroids.”
The Future of Fishing Is Now
Perhaps the biggest takeaway from their experience was how forward-facing sonar is changing fishing forever. The ability to read a fish’s mood, track its movement in real time, and watch how it reacts to every lift, fall, or pause of your lure is revolutionary.
And the applications go well beyond whitefish. As Jim pointed out, the same technology works for walleyes, smallmouth bass, northern pike, and muskies. “When you see that lightning bolt come in chasing the bait,” he said, “you know it’s not just fishing anymore—it’s an entirely new way to experience the sport.”
Whitefish may be overlooked, but they offer a powerful and rewarding challenge. With the right technology, refined gear, and a keen understanding of fish behavior, this under-the-radar species becomes one of the most exciting fish you can chase—especially when you’re doing it live.
