Original description as Acara sapayensis:
- Regan, Charles Tate. 1903. "Descriptions of new South-American fishes in the collection of the British Museum". Annals and Magazine of Natural History. (Ser. 7) vol. 12: pp 621-630 (crc00102)
Conservation: Andinoacara sapayensis is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2016).