HomeFish encyclopediaRay-finned fishesPerch-like fishMorwongsSea carp Sea carp (Nemadactylus valenciennesi) Scientific name: Nemadactylus valenciennesi Whitley, 1937 The Sea carp (Nemadactylus valenciennesi) is a marine fish of the family Cheilodactylidae. Native range: Eastern Indian Ocean, southern Australia, from southern Western Australia to Victoria and Tasmania. Species factsScientific nameNemadactylus valenciennesiFamilyCheilodactylidae (Morwongs)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length90.0Depth range40–240 m (131–787 ft)EnvironmentMarine; demersal; depth range 40 - 240 mClimateTemperateDistributionEastern Indian Ocean: southern Australia, from southern Western Australia to Victoria and Tasmania.Conservation status (IUCN)Not EvaluatedThreat 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