HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsHaplochromis torpedo stripe Haplochromis torpedo stripe (Mylochromis gracilis) Scientific name: Mylochromis gracilis Trewavas, 1935 The Haplochromis torpedo stripe (Mylochromis gracilis) 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 the south of Lake Malawi. Haplochromis torpedo stripe care at a glanceTemperature24–26°C (75–79°F) BiologyHas been observed over sand. Preys on small fish, mainly cichlids, and on invertebrates collected from the sand.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMylochromis gracilisFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0EnvironmentFreshwater;; pH range: 7.5 - 8.3; dH range: 5 - 30 demersalClimateTropicalDistributionAfrica: Endemic to the south of Lake Malawi.Conservation status (IUCN)Least Concern (LC)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