HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsParadise threadfin Paradise threadfin (Polynemus paradiseus) Scientific name: Polynemus paradiseus Linnaeus, 1758 The Paradise threadfin (Polynemus paradiseus) is a freshwater fish of the family Polynemidae. Native range: Eastern Indian Ocean and Western Pacific, west coast of India to Thailand. Probably occurs in Malaysia and Laos. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 14-15; Anal spines: 2; Anal soft rays: 11 - 13Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePolynemus paradiseusFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Common length17.0Depth range25 m (82 ft)EnvironmentMarine; freshwater; brackish; demersal; amphidromous; depth range ? - 25 mClimateTropicalDistributionEastern Indian Ocean and Western Pacific: west coast of India to Thailand. Probably occurs in Malaysia and Laos.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, 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