Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Family: Polynemidae (Threadfins) Genus: Polydactylus Species: P. sexfilis Synonyms Polydactylus kuru (Bleeker, 1853) Polynemus kuru Bleeker, 1853 Polynemus sexfilis Valenciennes, 1831 Common/local names English: Sixfinger threadfin and Golden sixthread