HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsJavanese threadfin Javanese threadfin (Filimanus hexanema) Scientific name: Filimanus hexanema Cuvier, 1829 The Javanese threadfin (Filimanus hexanema) is a marine fish of the family Polynemidae. Native range: Western Central Pacific, known only from western Java, Indonesia. BiologyDorsal soft rays (total): 11-12. Distinguished by having a body depth 3..2 or more in SL; six pectoral filaments, some extending well past midpoint of anal fin; interorbital region of frontals not markedly concave.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFilimanus hexanemaFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Central Pacific: known only from western Java, Indonesia.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