HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfinsIndian sevenfinger threadfin Indian sevenfinger threadfin (Filimanus similis) Scientific name: Filimanus similis Feltes, 1991 The Indian sevenfinger threadfin (Filimanus similis) is a marine fish of the family Polynemidae. Native range: Indian Ocean, Sind, Pakistan, southern coasts of India, including the Laccadive Archipelago and Sri Lanka to west coast of Malay Peninsula. BiologyDorsal soft rays (total): 11-13; Anal soft rays: 10 - 12. Distinguished by having seven 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 brown above and golden or silvery below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFilimanus similisFamilyPolynemidae (Threadfins)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0EnvironmentMarine; demersalClimateTropicalDistributionIndian Ocean: Sind, Pakistan, southern coasts of India, including the Laccadive Archipelago and Sri Lanka to west coast of Malay Peninsula.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor 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