Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Pimelodidae
- Genus
- Brachyplatystoma
- Species
- rousseauxii
Habitat
This species primarily inhabits large river systems like the Amazon and Orinoco basins, preferring deep, fast-flowing waters and channels with sandy or muddy substrates. It migrates extensively upstream during the rainy season and can tolerate a range of water conditions in tropical South America.
Diet
The gilded catfish is a carnivorous predator that feeds mainly on smaller fish, crustaceans, and occasionally insects or mollusks. It hunts nocturnally by using its barbels to detect prey in murky waters, often ambushing from hiding spots near the riverbed.
Behavior
Gilded catfish are primarily nocturnal and solitary, spending much of their time foraging along the river bottom. They exhibit long-distance migrations for spawning, traveling hundreds of kilometers upstream during high water periods, and show territorial behavior around feeding areas. They are generally elusive and avoid surface activity during the day.
Fishing
Anglers targeting the gilded catfish, a powerful predator in South America's Amazon and Orinoco river basins, should focus on bottom fishing techniques using heavy gear to handle their strength and size, employing strong lines and reels to detect subtle bites in deep, fast-flowing waters; cast from boats or riverbanks with baits like live fish, crustaceans, or cut bait to mimic their natural diet, as these nocturnal hunters rely on barbels to sense prey. Use robust tackle including 50-80 pound test lines, heavy-action rods, and large hooks (sizes 5/0 to 10/0) to manage fish up to 85 pounds and 3 meters long, ensuring you can fight and land them without harm for catch-and-release practices. The best season is during the rainy months from November to March, coinciding with their upstream migrations for spawning, when targeting them at night yields the highest success in deep channels with sandy or muddy substrates; focus on areas with strong currents in the Amazon or Orinoco rivers, such as near Brazil, Peru, or Colombia, where they ambush prey from the riverbed. While specific IGFA records for gilded catfish are not widely documented, the largest reported specimens reach around 85 pounds 8 ounces, highlighting their trophy potential. Conservation-wise, regulated fishing for this Least Concern species supports aquatic habitat protection through angler license fees and excise taxes that fund restoration programs in the Amazon basin, promoting slot limits and catch-and-release to maintain healthy populations and ensure sustainable migrations, making every fishing trip a contribution to waterway preservation.
Conservation Status
Listed as Least Concern by IUCN.