HomeFreshwater aquarium fishAfrican cichlidsIodotropheus stuartgranti Iodotropheus stuartgranti Scientific name: Iodotropheus stuartgranti Konings, 1990 Iodotropheus stuartgranti is a freshwater fish of the family Cichlidae that grows to about 11 cm (4.3 in). It is easy to keep and peaceful and needs a tank of at least 115 L (30 US gal), water at 23–28°C (73–82°F) and a pH of 7.8–8.6. Native range: Africa, Endemic to Lake Malawi. Iodotropheus stuartgranti care at a glanceCare levelEasyTemperamentPeacefulAdult size11 cm (4.3 in)Minimum tank115 L (30 US gal)Temperature23–28°C (73–82°F)pH7.8–8.6Hardness5–20 dGH (89–357 ppm)DietOmnivore BiologyDorsal spines (total): 15 - 17; Dorsal soft rays (total): 8-9; Anal soft rays: 6 - 7. Gill rakers on first ceratobranchial 7-10; gill rakers on first epibranchial 2-3.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameIodotropheus stuartgrantiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: endemic to Lake Malawi. Occurs on the coast between the Nsinje River outlet and the border with Mozambique.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More african cichlidsLavender mbunaIodotropheus sprengeraeZebra mbunaMaylandia zebraCallochromis pleurospilusAltolamprologus calvusFeatherfin 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