The Mighty Pacu: A Gentle Giant with a Big Bite

When anglers visit TopCats Fishing Resort in Thailand, most have giants like Siamese Carp or Arapaima on their mind. But there’s another species that often surprises and delights them—the Pacu. Known for their powerful fights, quirky looks, and human-like teeth, Pacu are a bucket-list fish that every angler should experience. The fastest fish in the lake, so if you think screaming reel, think Pacu.

Pacu are native to South America, particularly the Amazon and Orinoco river systems. They’re close relatives of the piranha, but unlike their carnivorous cousins, Pacu are mainly plant-eaters. In their natural habitats, they play an important ecological role by feeding on fruits and nuts that fall into the rivers, helping to disperse seeds and sustain the environment.

At TopCats Fishing Resort, Pacu have thrived in our well-maintained waters, growing into strong, hard-fighting fish that keep anglers coming back for more.

One of the most interesting things about Pacu is their diet. While they’re largely herbivorous, enjoying fruits, grains, and vegetables, they’re also opportunistic. Pacu won’t hesitate to snap a juicy deadbait, sweetcorn, or a TopCats high-protein fruit-flavored boilie.

Their strong jaws and square teeth make light work of most baits, so it’s important to use a rig that can hold up. We don’t use wire traces at TopCats, so Pacu can make short work of our high-breaking-strain hook links.

With proper care, a pacu can live for 15 to 25 years. Some individuals have been known to live much longer, with reports of a black pacu living to be 43 years old and another pacu reaching 50 years old. Over the years, many of our Pacu have grown into impressive specimens, giving anglers both a challenge and a memory they won’t forget.

Hooking into a Pacu at TopCats is always a thrill. They don’t explode with the same sudden power as a Mekong Catfish, but they fight deep, steady, and strong—pulling line and testing your endurance. Many anglers first hook them by surprise when fishing for carp, only to discover the Pacu’s unique fighting style once their rod bends into action.

Landing one successfully requires patience, strength, and a bit of grit. But the moment you finally bring a Pacu into the net, the fight, the sweat, and the strain all feel worth it.

Don’t forget our new albino pacu stocked in May 2025

The Pacu may not be as massive as an Arapaima, but its unique appearance, diet, and powerful fight make it a must-catch species. Whether it’s your first time fishing in Thailand or you’re a seasoned TopCats angler, landing a Pacu is a story worth telling.

So, next time you’re casting your line at TopCats Fishing Resort, don’t overlook the mighty Pacu—you just might walk away with one of the most memorable catches of your trip.