For anglers around the world, few things match the adrenaline rush of hooking a mammoth catfish. These bottom-dwelling giants can grow to mind-boggling sizes, sparking endless debates along the riverbanks: What is the biggest catfish ever caught?
The short answer? It depends.
There isn’t just one single “world record catfish.” Records vary drastically by species, line class, fishing gear, and location. To truly understand these freshwater monsters, we have to look at official IGFA (International Game Fish Association) records alongside historic catches across the globe.
Here is the breakdown of the world’s largest catfish species and the legendary catches behind them.
Record Catfish at a Glance
| Species | Weight / Size | Location | Record Details |
| Blue Catfish | 143 lb (64.86 kg) | Kerr Lake, Virginia, USA | IGFA All-Tackle World Record |
| Flathead Catfish | 123 lb (55.79 kg) | Elk City Reservoir, Kansas, USA | IGFA All-Tackle World Record |
| Wels Catfish | 150 lb+ (Multiple categories) | River Ebro, Spain / Europe | IGFA Line Class & Junior Records |
| Sharptooth Catfish | 135 cm (Length) | South Africa | IGFA All-Tackle Length Fly Record |
| Mekong Giant Catfish | 600 lb+ (Historic reports) | Mekong River, Thailand | Unofficial / Historic Giant |
1. The Blue Catfish Record: North America’s Heavyweight Titan
The Blue Catfish (Ictalurus furcatus) is the undisputed heavyweight king of North American angling. Known for its powerful runs and preference for deep, fast-moving currents, this species draws trophy hunters from all over the world.
- The Record Holder: Richard Nicholas Anderson
- Weight: 143 pounds (64.86 kg)
- Location: Kerr Lake (Buggs Island Lake), Virginia
- Date: June 18, 2011
Anderson’s catch stands as the official IGFA All-Tackle World Record. Fighting a fish of this size requires heavy-duty gear and serious grit, proving just how massive native American catfish can get.
2. The Flathead Catfish Record: A Legendary Kansas Monster
Unlike blues, Flathead Catfish (Pylodictis olivaris) are stealthy predators that prefer live prey and structure-heavy riverbeds. They are notoriously stubborn fighters, making record-sized flatheads extremely rare.
- The Record Holder: Ken Paulie
- Weight: 123 pounds (55.79 kg)
- Length: ~61 inches
- Location: Elk City Reservoir, Kansas
- Date: May 19, 1998
What makes Paulie’s catch famous in fishing lore is his tackle. He landed this 123-pound beast using a modest Zebco 33 reel with 12-pound line and a live minnow on a jig head. Landing a fish five times heavier than your line test is nothing short of extraordinary.
3. The Wels Catfish: Europe’s River Monster
If you want sheer size, look to Europe. The Wels Catfish (Silurus glanis) is a legendary predator capable of reaching lengths over 8 feet.
Wels fishing highlights why record categories matter. For instance, angler Amy O’Brien captured national headlines in Spain after landing a 150-pound Wels catfish. While not the heaviest Wels ever recorded, her catch set multiple IGFA benchmark records across Women’s and Junior Line-Class categories.
4. The Mekong Giant Catfish: The Ultimate Freshwater Titan
Native to Southeast Asia’s Mekong River, this critically endangered species holds the crown for raw physical scale.
Historical reports and local catch records cite specimens weighing over 600 pounds (270+ kg)—making the Mekong giant catfish one of the largest strictly freshwater fish on the planet. However, because many of these giant fish are protected or caught commercially, they rarely feature in sport-angling record books like the IGFA.
5. Length vs. Weight: The Sharptooth Catfish Record
A world record doesn’t always require a scale. The IGFA also recognizes All-Tackle Length Records, promoting catch-and-release fishing.
A prime example occurred in South Africa, where angler Terrence Babich set an IGFA All-Tackle Length Fly World Record for the African Sharptooth Catfish (Clarias gariepinus). Using a Woolly Bugger fly pattern, Babich landed, measured (at 135 centimeters on an official IGFA mat), and safely released the fish back into the water.
How Are Catfish Records Categories Divided?
To compare record catches fairly, the IGFA maintains distinct divisions:
- All-Tackle Records: The heaviest fish caught on rod and reel, regardless of line strength.
- Line-Class Records: Catching a giant fish on ultra-light line (e.g., landing a 50 lb catfish on 6 lb test).
- All-Tackle Length Records: Verified by length before releasing the fish alive.
- Specialty Divisions: Separate categories for Junior Anglers, Female Anglers, and Fly Fishing (Tippet Class).
Essential Gear & Bait for Targeting Giant Catfish
Catching river monsters requires tailored strategies depending on the target species:
- Blue Catfish: Thrive on fresh cut bait—shad, skipjack herring, and mullet fished near deep ledge drop-offs.
- Flathead Catfish: Demand live, active bait like bluegill, sunfish, or large minnows fished near heavy timber or rock piles.
- Wels Catfish: Responds well to large live baits, pelleted baits, or large artificial lures dropped into deep river holes.
Frequently Asked Questions
What is the official world record Blue Catfish?
The IGFA All-Tackle record is 143 pounds (64.86 kg), caught by Richard Nicholas Anderson at Kerr Lake, Virginia in 2011.
What is the largest catfish species in the world?
In terms of raw size, the Mekong Giant Catfish (Southeast Asia) and the Wels Catfish (Europe) are the largest, both capable of exceeding several hundred pounds.
Does a world record fish have to be kept?
No. Through the IGFA All-Tackle Length category, anglers can officially claim world records by measuring, documenting, and releasing the fish alive.
