HomeFish encyclopediaRay-finned fishesSilversidesSilversidesFew-ray hardyhead Few-ray hardyhead (Craterocephalus pauciradiatus) Scientific name: Craterocephalus pauciradiatus G?nther, 1861 The Few-ray hardyhead (Craterocephalus pauciradiatus) is a brackish-water fish of the family Atherinidae. Native range: Eastern Indian Ocean, endemic to Australia. Species factsScientific nameCraterocephalus pauciradiatusFamilyAtherinidae (Silversides)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)EnvironmentBrackish; pelagicClimateTropicalDistributionEastern Indian Ocean: 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