HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsRed filament threadfin bream Red filament threadfin bream (Nemipterus marginatus) Scientific name: Nemipterus marginatus Valenciennes, 1830 The Red filament threadfin bream (Nemipterus marginatus) is a marine fish of the family Nemipteridae. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Lower edge of eye lies above a line from tip of snout to upper base of pectoral fin; suborbital with straight lower margin and rounded posterior margin. Dorsal fin origin about 2-5 scale rows from imaginary line projected upwards from posterior edge of suborbital to dorsal profile. Caudal fin with the upper lobe produced into a short, reddish filament. In life, head with oblique yellow stripe from beneath eye to middle of upper jaw and another from anterior of eye to near tip of snout. Axillary scale present. Color: Upper body rosy, silvery below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNemipterus marginatusFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length13.0Depth range12–70 m (39–230 ft)EnvironmentMarine; demersal; non-migratory; depth range 12 - 70 mClimateTropicalDistributionWestern Pacific: including the South China Sea, Strait of Malacca, southern coasts of Sumatra and Java, northern Australia, and the Gulf of Papua, to the Solomon Islands. This species has previously been confused with Nemipterus mesoprion.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.63) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026