HomeFish encyclopediaRay-finned fishesCarpsMountain carpsRiver stone carp River stone carp (Psilorhynchus sucatio) Scientific name: Psilorhynchus sucatio Hamilton, 1822 The River stone carp (Psilorhynchus sucatio) is a freshwater fish of the family Psilorhynchidae. In the aquarium it needs water at 15–23°C (59–73°F). Native range: Asia, India, Bangladesh and Nepal. River stone carp care at a glanceTemperature15–23°C (59–73°F) BiologyOccurs mainly in the edges of sandy streams. Common near emergent or overhanging vegetation. Prefers pools and run areas of mountain streams.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePsilorhynchus sucatioFamilyPsilorhynchidae (Mountain carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length8.2EnvironmentFreshwater;; pH range: 6.8 - 7.4; dH range: 10 - ? demersalClimateSubtropicalDistributionAsia: India, Bangladesh and Nepal.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026