HomeFreshwater aquarium fishAfrican cichlidsHaplochromis yellow black line Haplochromis yellow black line (Mylochromis melanonotus) Scientific name: Mylochromis melanonotus Regan, 1922 The Haplochromis yellow black line (Mylochromis melanonotus) 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 where it is widely distributed. Haplochromis yellow black line care at a glanceTemperature24–26°C (75–79°F) BiologyMost frequently seen over sand but may also occur in the intermediate sand-rock habitat. Usually collected from trawl hauls in shallower stations. Feeds on small fish, gastropods, and lamellibranch mollusks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMylochromis melanonotusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length26.0Depth range15–18 m (49–59 ft)EnvironmentFreshwater; demersal; depth range 15 - 18 mClimateTropicalDistributionAfrica: Endemic to Lake Malawi where it is widely distributed.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More african cichlidsOtopharynx lithobatesFlavescent peacockAulonocara stuartgrantiGreenface aulonocaraAulonocara saulosiBlue orchid aulonocaraAulonocara maylandi kandeensisAulonocara chizumuluAulonocara korneliaeFairy cichlidAulonocara jacobfreibergiSee all african cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026