HomeFish encyclopediaRay-finned fishesHerringsPristigasteridsLongtail ilisha Longtail ilisha (Ilisha lunula) Scientific name: Ilisha lunula Kailola, 1986 The Longtail ilisha (Ilisha lunula) is a brackish-water fish of the family Pristigasteridae. Native range: Western Central Pacific, Papua New Guinea and Australia. Species factsScientific nameIlisha lunulaFamilyPristigasteridae (Pristigasterids)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; brackish; pelagic-neriticClimateTropicalDistributionWestern Central Pacific: Papua New Guinea and 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