HomeFish encyclopediaRay-finned fishesPerch-like fishSmelt-whitingsRough sillago Rough sillago (Sillago nierstraszi) Scientific name: Sillago nierstraszi Hardenberg, 1941 The Rough sillago (Sillago nierstraszi) is a marine fish of the family Sillaginidae. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 17; Anal spines: 2; Anal soft rays: 17Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSillago nierstrasziFamilySillaginidae (Smelt-whitings)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0EnvironmentMarine; demersal; non-migratoryClimateTropicalDistributionWestern Central Pacific: southern New Guinea. Known only from the holotype which could not be located. In most features, this species is similar to Sillago analis and may prove to be a senior synonym. Further collection is necessary to resolve the identity of this species.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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