HomeFreshwater aquarium fishAfrican cichlidsAltolamprologus calvus Altolamprologus calvus Scientific name: Altolamprologus calvus Poll, 1978 Altolamprologus calvus is a freshwater fish of the family Cichlidae that grows to about 15 cm (5.9 in). It is peaceful and needs a tank of at least 210 L (55 US gal), water at 24–28°C (75–82°F) and a pH of 7.2–9.0. Native range: Africa, Endemic to Lake Tanganyika. Altolamprologus calvus care at a glanceTemperamentPeacefulAdult size15 cm (5.9 in)Minimum tank210 L (55 US gal)Temperature24–28°C (75–82°F)pH7.2–9.0DietCarnivore Species factsScientific nameAltolamprologus calvusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.5EnvironmentFreshwater;; pH range: 8.0 - 9.0; dH range: 9 - 19 benthopelagicClimateTropicalDistributionAfrica: Endemic to Lake Tanganyika.Conservation status (IUCN)Near Threatened (NT)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec=200) More african cichlidsCallochromis pleurospilusZebra mbunaMaylandia zebraLavender mbunaIodotropheus sprengeraeIodotropheus stuartgrantiFeatherfin cichlidCyathopharynx furciferHumphead cichlidCyphotilapia frontosaSee all african cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026