''Panaqolus albomaculatus'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
catfish
Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...
in the family
Loricariidae
The Loricariidae is the largest family of catfish (order Siluriformes), with 92 genera and just over 680 species. Loricariids originate from freshwater habitats of Costa Rica, Panama, and tropical and subtropical South America. These fish are not ...
. It is native to
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
, where it occurs in the headwaters of the
Napo River
The Napo River ( es, Río Napo) is a tributary to the Amazon River that rises in Ecuador on the flanks of the east Andean volcanoes of Antisana, Sincholagua and Cotopaxi.
The total length is . The river drains an area of . The mean annual discha ...
, the
Marañón River
, name_etymology =
, image = Maranon.jpg
, image_size = 270
, image_caption = Valley of the Marañón between Chachapoyas ( Leimebamba) and Celendín
, map = Maranonrivermap.png
, map_size ...
, and the
Ucayali River
The Ucayali River ( es, Río Ucayali, ) is the main headstream of the Amazon River. It rises about north of Lake Titicaca, in the Arequipa region of Peru and becomes the Amazon at the confluence of the Marañón close to Nauta city. The city of ...
. The species reaches 12.4 cm (4.9 inches) SL. It is sometimes seen in the aquarium trade, where it is typically referred to either as the mustard-spot pleco, the orange-spot pleco, or by its
L-number
The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the German aquarium magazine DATZ (Die Aquarien- und Terrarienzeitschrift (The ...
, which is LDA-031 (not to be confused with L-031, which refers to the species ''
Parancistrus nudiventris'').
References
Ancistrini
Fish described in 1958
{{Loricariidae-stub