HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsSaisi lampeye Saisi lampeye (Lacustricola matthesi) Scientific name: Lacustricola matthesi Seegers, 1996 The Saisi lampeye (Lacustricola matthesi) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: Africa, Tanzania and Zambia. Saisi lampeye care at a glanceTemperature22–25°C (72–77°F) Species factsScientific nameLacustricola matthesiFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.9EnvironmentFreshwater;; pH range: 6.5 - 7.2 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Tanzania and Zambia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, 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