''Lasiancistrus heteracanthus'' is a species of

armored catfish Armoured catfish may refer to: *Family Loricariidae: The armoured suckermouth catfish, also known as suckermouth catfish, armoured catfish or simply 'plecs' or 'plecos' *Family Callichthyidae: armoured catfish, includes the genera **''Corydoras'', ...

found in 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 ...

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

and

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. This species grows to a length of SL.

References

* Ancistrini Fish of South America Freshwater fish of Ecuador Freshwater fish of Peru Fish described in 1869 Taxa named by Albert Günther {{Loricariidae-stub