HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsMoroco Moroco (Pseudorasbora pumila) Scientific name: Pseudorasbora pumila Miyadi, 1930 The Moroco (Pseudorasbora pumila) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 15–20°C (59–68°F). Native range: Asia, Japan. Moroco care at a glanceTemperature15–20°C (59–68°F) Species factsScientific namePseudorasbora pumilaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionAsia: Japan.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