Gigantic, 9.4-Foot-Long Catfish is The Largest Ever Caught

An angler caught the gigantic wels catfish in the murky waters of the River Po, in Italy, where the previous world record for the largest catfish was set just 2 months Alessandro Biancardi poses with his massive catch, a 9.4-foot-long wels catfish, on the banks of the River Po.

Wels catfish (Silurus glanis) thrive in the warm waters of the River Po in Italy. (Image credit: Alessandro Biancardi)

Whiskered, marble-skinned giants lurk in the murky waters of Italy’s longest river. These behemoths are prized targets for anglers, but a fisher recently hooked a truly colossal individual — and it may be the biggest ever found.

Alessandro Biancardi, an Italian angler, pulled an enormous, 9.4-foot-long (2.85 meters) catfish from the shallow waters of the River Po in the Lombardy region of northern Italy. The catch beats the previous world record for the largest wels catfish (Silurus glanis) ever caught by 1.6 inches (4 centimeters).

“When it surfaced for the first time, I really realized that I hooked a monster,” Biancardi wrote in a statement. “I was alone facing the biggest catfish I [have] ever seen in 23 years.”

When Biancardi landed the behemoth, he and his colleagues measured it before releasing it into the river. “Documentation was sent to the IGFA [International Game Fish Association] so they could officially record this large fish,” according to the statement.

A close up picture of the humongous catfish’s head and mouth, held open by a pair of hands.

Wels catfish are the largest freshwater fish in Europe, excluding species that migrate inland from the sea to breed, known as anadromous species. The prized fish are native to Central and Eastern Europe but have been introduced to other parts of the continent in the last 25 years, with populations mushrooming in major rivers across Italy, France and Spain.

The River Po, which meanders across northern Italy and through the cities of Turin and Piacenza, is a hotspot for extremely large catfish.

The last record-breaking catch, a 9.2-foot-long (2.81 m) wels catfish, was also pulled from the Po on April 12.

“Wels catfish were introduced in the River Po around 2000,” Per Larsson, a visiting professor at Linnaeus University in Sweden who studies predatory fishes, told Live Science in an email. “When a fish species (like wels catfish) is introduced into a new, suitable environment, the growth is high.”

Larsson has studied wels catfish populations in their northernmost habitat in Sweden, where these animals have much slower growth rates than in more southern regions due to the colder climate.

In a 2022 study published in the journal Scientific Reports, Larsson and his colleagues documented a 6.4-foot-long (1.95 m) individual — the biggest among a total of 1,183 catfish caught — which they estimated to be 70 years old.

Alessandro Biancardi poses with the catfish on the banks of the River Po.

But catfish caught in warmer European regions are usually much younger than that. The recently caught wels catfish is probably 20 to 30 years old, Larsson estimated, but “a fish of the size that was caught in River Po would be around 100 years old in Sweden.”

High temperatures, a suitable environment and plenty of food could have contributed to the humongous size of this fish, Larsson added.

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