HomeFreshwater aquarium fishTetras & characinsSierra leone dwarf characin Sierra leone dwarf characin (Ladigesia roloffi) Scientific name: Ladigesia roloffi G?ry, 1968 The Sierra leone dwarf characin (Ladigesia roloffi) is a freshwater fish of the family Alestidae that grows to about 3.1 cm (1.2 in). It is peaceful, is best kept in a species tank and needs a tank of at least 55 L (15 US gal), water at 22–26°C (72–79°F) and a pH of 6.0–7.1. Native range: Africa, Kasewe in the Gbangbaia basin (small stream systems west of Jong) and Sewa River in Sierra Leone. Sierra leone dwarf characin care at a glanceTemperamentPeacefulCommunity tankNot suitableAdult size3.1 cm (1.2 in)Minimum tank55 L (15 US gal)Temperature22–26°C (72–79°F)pH6.0–7.1Hardness2–10 dGH (36–178 ppm)DietOmnivore. Accepts flakes, pellets, freeze-dried foods, bloodworms and brine shrimp. BiologyAnal spines: 3; Anal soft rays: 13 - 14. Small sized fish with incomplete lateral line and naked dorsal part (of about 3 scales wide) from behind the opercle to the adipose fin. Parietal fontanel not closed. Part of paired fins and area above eye are glossy bright red. Non branched rays of dorsal and caudal and the tips of branched rays are black. No humeral spot. Gill rakers on first ceratobranch.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLadigesia roloffiFamilyAlestidae (African tetras)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.1EnvironmentFreshwater;; pH range: 6.0 - 7.0; dH range: ? - 10 pelagicClimateTropicalDistributionAfrica: Kasewe in the Gbangbaia basin (small stream systems west of Jong) and Sewa River in Sierra Leone. Reported from the Du River in Liberia.Conservation status (IUCN)Endangered (EN) (B1ab(iii)+2ab(iii))Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsJellybean tetraLepidarchus adonisNiger tetraArnoldichthys spilopterusOneline tetraNannaethiops unitaeniatusNeolebias ansorgiiBucktooth tetraExodon paradoxusBanded leporinusLeporinus fasciatusSee all tetras & characins 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