HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsSplendid threadfin Splendid threadfin (Filimanus perplexa) Scientific name: Filimanus perplexa Feltes, 1991 The Splendid threadfin (Filimanus perplexa) is a marine fish of the family Polynemidae. Native range: Western Central Pacific, Indonesia and Phuket, Thailand. BiologyDorsal soft rays (total): 11; Anal soft rays: 13 - 15. Distinguished by having a body depth of 3.2 or less in SL; seven pectoral filaments, some extending well past midpoint of anal fin; interorbital region of frontals concave.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFilimanus perplexaFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Depth range33–34 m (108–112 ft)EnvironmentMarine; demersal; depth range 33 - 34 mClimateTropicalDistributionWestern Central Pacific: Indonesia and Phuket, Thailand.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