HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsMini-molly Mini-molly (Pamphorichthys minor) Scientific name: Pamphorichthys minor Garman, 1895 The Mini-molly (Pamphorichthys minor) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: South America, Amazon River basin in Brazil. Mini-molly care at a glanceTemperature23–28°C (73–82°F) Species factsScientific namePamphorichthys minorFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length1.7EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Amazon River basin in Brazil.Conservation status (IUCN)Not EvaluatedThreat 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