HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSuckermouth minnow Suckermouth minnow (Phenacobius mirabilis) Scientific name: Phenacobius mirabilis Girard, 1856 The Suckermouth minnow (Phenacobius mirabilis) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 5–25°C (41–77°F). Suckermouth minnow care at a glanceTemperature5–25°C (41–77°F) BiologyInhabits gravel and rubble riffles and runs of clear to turbid creeks and small to medium, sometimes large rivers. Feeds on insect larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePhenacobius mirabilisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Common length4.6EnvironmentFreshwater;; pH range: 6.5 - 7.8; dH range: 5 - 25 demersalClimateSubtropicalDistributionNorth America: Mississippi River basin; western Lake Erie drainage in Ohio, USA; isolated populations in Gulf Coast drainages (Sabine Lake in Louisiana and Texas, Galveston Bay in Texas, Colorado River in Texas, upper Pecos River in New Mexico, USA).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026