HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsPearl of Likoma Pearl of Likoma (Melanochromis joanjohnsonae) Scientific name: Melanochromis joanjohnsonae Johnson, 1974 The Pearl of Likoma (Melanochromis joanjohnsonae) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 24–26°C (75–79°F). Native range: Africa, Endemic to Lake Malawi. Indigenous to Likoma Island; introduced in Thumbi West Island. Pearl of Likoma care at a glanceTemperature24–26°C (75–79°F) Species factsScientific nameMelanochromis joanjohnsonaeFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range1–5 m (3–16 ft)EnvironmentFreshwater;; pH range: 7.0 - 8.5; dH range: 10 - 15 demersal; depth range 1 - 5 mClimateTropicalDistributionAfrica: Endemic to Lake Malawi. Indigenous to Likoma Island; introduced in Thumbi West Island.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026