HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesEstuarine perch Estuarine perch (Sander marinus) Scientific name: Sander marinus Cuvier, 1828 The Estuarine perch (Sander marinus) is a freshwater fish of the family Percidae. Native range: Eurasia, brackish estuaries of Black and Caspian seas; rarely enters rivers. Species factsScientific nameSander marinusFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; brackish; benthopelagicClimateTemperateDistributionEurasia: brackish estuaries of Black and Caspian seas; rarely enters rivers.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceVery Low, minimum population doubling time more than 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