HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsDevils River minnow Devils River minnow (Dionda diaboli) Scientific name: Dionda diaboli Hubbs & Brown, 1957 The Devils River minnow (Dionda diaboli) is a freshwater fish of the family Cyprinidae. Native range: North America, Devils River and nearby San Felipe, Sycamore and Las Moras Creeks, Val Verde and Kinney counties in Texas, USA. BiologyInhabits rocky runs and flowing pools. Feeds on live brine shrimp or flaked or fry food.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDionda diaboliFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length6.4Common length3.9EnvironmentFreshwater; benthopelagicClimateSubtropicalDistributionNorth America: Devils River and nearby San Felipe, Sycamore and Las Moras Creeks, Val Verde and Kinney counties in Texas, USA.Conservation status (IUCN)Vulnerable (VU) (A1ae+2e)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