HomeFish encyclopediaRay-finned fishesCarpsSuckersGreater jumprock Greater jumprock (Moxostoma lachneri) Scientific name: Moxostoma lachneri Robins & Raney, 1956 The Greater jumprock (Moxostoma lachneri) is a freshwater fish of the family Catostomidae. Native range: North America, Apalachicola River drainage in Georgia and Alabama, USA. BiologyInhabits rocky riffles and runs of clear small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMoxostoma lachneriFamilyCatostomidae (Suckers)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length44.0EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: Apalachicola River drainage in Georgia and Alabama, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (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