HomeFish encyclopediaRay-finned fishesCarpsSuckersLake chubsucker Lake chubsucker (Erimyzon sucetta) Scientific name: Erimyzon sucetta Lacep?de, 1803 The Lake chubsucker (Erimyzon sucetta) is a freshwater fish of the family Catostomidae. In the aquarium it needs water at 4–20°C (39–68°F). Lake chubsucker care at a glanceTemperature4–20°C (39–68°F) BiologyOccurs in lakes, swamps, ponds, sloughs and impoundments over silt, sand or debris. Rarely found in streams. Feeds on microcrustacea and midge larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameErimyzon sucettaFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length41.0Common length25.8EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: ? - 15 demersalClimateTemperateDistributionNorth America: Great Lakes and Mississippi River basin lowlands from southern Ontario in Canada to Wisconsin, USA and south to Gulf of Mexico in the USA; Atlantic Slope from southern Virginia to southern Florida in USA; Gulf Slope drainages from Charlotte Harbor, Florida to Guadalupe River in Texas, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=8; Fec=20,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026