HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsTachanovsky's gudgeon Tachanovsky's gudgeon (Ladislavia taczanowskii) Scientific name: Ladislavia taczanowskii Dybowski, 1869 The Tachanovsky's gudgeon (Ladislavia taczanowskii) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 4–18°C (39–64°F). Native range: Europe and Asia, Amur and Yalu drainages; Mongolia and Korea. Tachanovsky's gudgeon care at a glanceTemperature4–18°C (39–64°F) Species factsScientific nameLadislavia taczanowskiiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: 10 - 20 demersalClimateTemperateDistributionEurope and Asia: Amur and Yalu drainages; Mongolia and Korea.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