''Panaqolus nix'' is a
species of
catfish in the family
Loricariidae. It is native to
South America, where it occurs in the
Madeira River and the
Mamoré River
The Mamoré is a large river in Brazil and Bolivia which unites with the Beni to form the Madeira, one of the largest tributaries of the Amazon. It rises on the northern slope of the Sierra de Cochabamba, east of the city of Cochabamba, and is ...
in
Brazil, as well as the
Madre de Dios River
The Madre de Dios River () is a river shared by Bolivia and Peru which is homonymous to the Peruvian region it runs through. On Bolivian territory it receives the Beni River, close to the town of Riberalta, which later joins with the Mamore River ...
drainage basin in Peru. It is reported to have been caught in Cofferdam, cofferdams at Hydroelectricity, hydroelectric power plant construction sites in the Madeira River, with most specimens being collected at depths of 3.1 to 11 m (10 to 36 ft) in environments with a strong current. The species reaches 11.2 cm (4.4 inches) SL and is known to be quite variable in color. Its specific epithet, ''nix'', derives from the Latin word for "snow", referring both to the species' characteristic white spots that are said to resemble Snowflake, snowflakes and the tendency of some individuals to be entirely pale.
References
Ancistrini
Catfish of South America
{{Loricariidae-stub