HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSpotted minnow Spotted minnow (Dionda melanops) Scientific name: Dionda melanops Girard, 1856 The Spotted minnow (Dionda melanops) is a freshwater fish of the family Cyprinidae. Native range: North America, Mexico. Species factsScientific nameDionda melanopsFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; benthopelagicClimateSubtropicalDistributionNorth America: Mexico.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