Original description as Haplochromis electra:
- Burgess, Warren. 1979. "Studies on the family Cichlidae: 9. Haplochromis electra a new species of cichlid from the waters around Likoma Island, Lake Malawi". Tropical Fish Hobbyist Magazine. 27 (8); pp. 91-94 (crc00161)
Conservation: Placidochromis electra is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018).