HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsEightfinger threadfin Eightfinger threadfin (Filimanus sealei) Scientific name: Filimanus sealei Jordan & Richardson, 1910 The Eightfinger threadfin (Filimanus sealei) is a marine fish of the family Polynemidae. Native range: Western Central Pacific, Philippines to the Solomon Islands. Occurrence in Australia needs confirmation. BiologyDorsal soft rays (total): 11-12. Distinguished by having eight (occasionally seven) pectoral filaments, not reaching midpoint of anal fin; depth of posterior margin of maxilla less than eye diameter; snout pointed; body in life usually blue above and silvery below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFilimanus sealeiFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Central Pacific: Philippines to the Solomon Islands. Occurrence in Australia needs confirmation.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