HomeFish encyclopediaRay-finned fishesSilversidesSilversidesElongate hardyhead Elongate hardyhead (Atherinosoma elongata) Scientific name: Atherinosoma elongata Klunzinger, 1879 The Elongate hardyhead (Atherinosoma elongata) is a brackish-water fish of the family Atherinidae. Native range: Indo-West Pacific, endemic to Australia. BiologyFound in inshore waters. A schooling species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAtherinosoma elongataFamilyAtherinidae (Silversides)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length9.5EnvironmentMarine; brackish; pelagic-neriticClimateTemperateDistributionIndo-West Pacific: endemic to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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