Original description as Laetacara flamannellus:
ZooBank:269480F6-4ADD-4DDB-B806-AE9D5F83F931.
- Ottoni, Felipe & P.H.N. Bragança, P.F. Amorim, C.S. Gama. 2012. "A new species of Laetacara from the northern Brazil coastal floodplains (Teleostei: Cichlidae)". Vertebrate Zoology. 62(2):181-188 (crc04738) (abstract)
Conservation: Laetacara flamannellus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2022).