Cyphocharax plumbeus
Cyphocharax plumbeus, also known as the silver catfish, is a small, silvery freshwater fish native to South American rivers. Though modest in size, it is prized by niche anglers for its timid behavior and the challenge of locating its hidden shoals.
Family
Curimatidae
Max Size
17.8 cm
Habitat
freshwater
Climate
tropical
Best Season
April‑September (warm rainy season when water temperatures rise)
Best Time
Early morning or late evening, when the fish feed near the surface
No distribution map available
Amazon Mainstem near Manaus
BrazilPrime stretch of the Amazon River where Cyphocharax plumbeus congregates near submerged logs during high water.
Best: May-October
Rio Negro tributary, Curuá River
BrazilClear blackwater tributary offering excellent feeding grounds for the species during the dry season.
Best: July-September
Napo River, near Puerto Francisco de Orellana
EcuadorFast-flowing sections of the Napo host large schools of Cyphocharax plumbeus attracted to insect hatches.
Best: June-August
Marañón River, Cajamarca region
PeruRemote Andean tributary where the catfish is abundant during the rainy season, accessible via guided tours.
Best: December-February
Lake Titicaca outlet (Desaguadero River)
BoliviaUnique high-altitude outlet where Cyphocharax plumbeus moves seasonally, offering challenging but rewarding catches.
Best: January-March
Orinoco Basin, tributary of the Apure River
VenezuelaExtensive floodplain where the species aggregates during the low-water period, popular among local anglers.
Best: April-May
Best bait: Live or cut worms, small insect larvae