HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsTheodore's threadfin bream Theodore's threadfin bream (Nemipterus theodorei) Scientific name: Nemipterus theodorei Ogilby, 1916 The Theodore's threadfin bream (Nemipterus theodorei) is a marine fish of the family Nemipteridae. Native range: Western Pacific, restricted to eastern Australia from north Queensland to New South Wales. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Suborbital spine absent. Preopercle with 3 transverse scale rows. Pectoral fins long, reaching to or almost to level of origin of anal fin. Pelvic fins very long, reaching to or beyond level of origin of anal fin. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about or behind origin of dorsal fin. Upper lobe of caudal fin with dusky tip. Axillary scale present. Color: Upper body pinkish-mauve, pearly-white below. A purple stripe curving from lower edge of eye to upper lip. An indistinct bluish-grey spot on upper part of opercle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNemipterus theodoreiFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length18.0Depth range19–410 m (62–1345 ft)EnvironmentMarine; demersal; non-migratory; depth range 19 - 410 mClimateSubtropicalDistributionWestern Pacific: restricted to eastern Australia from north Queensland to New South Wales.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