Panaqolus gnomus,[1] sometimes known as the dwarf panaque, is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it occurs in the basins of the Pastaza River and the Marañón River. The species reaches 7.1 cm (2.8 inches) SL.[2] It is the type species of the genus Panaqolus, which was historically considered to be a clade of small-sized species within the genus Panaque, hence the common name of this species.[3]