HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsYellowthread threadfin Yellowthread threadfin (Filimanus xanthonema) Scientific name: Filimanus xanthonema Valenciennes, 1831 The Yellowthread threadfin (Filimanus xanthonema) is a marine fish of the family Polynemidae. Native range: Indo-West Pacific, east coast of India to Lombok, Indonesia. BiologyDorsal soft rays: 11-13; Anal soft rays: 10 - 12. Distinguished by having six pectoral filaments, not reaching midpoint of anal fin; depth of posterior margin of maxilla less than eye diameter; snout pointed; and body in life usually dusky yellow or green above and silvery below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFilimanus xanthonemaFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length14.0Depth range1–30 m (3–98 ft)EnvironmentMarine; demersal; depth range 1 - 30 mClimateTropicalDistributionIndo-West Pacific: east coast of India to Lombok, 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