Original description as Acara flavilabris:
ZooBank:CB5ADE46-238F-4AA7-83E5-8A889BF1C37C.
- Cope, Edward D. 1871. "Contribution to the ichthyology of the Marañon". Proceedings of the American Philosophical Society. 11:559-570 (crc00071)
Synonyms (1):
- Acara freniferus Cope, 1872, with type locality at Río Ambyiacu, Peru. Determiner: Kullander, 1986
Conservation: Laetacara flavilabris is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.