HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsFork-tailed threadfin bream Fork-tailed threadfin bream (Nemipterus furcosus) Scientific name: Nemipterus furcosus Valenciennes, 1830 The Fork-tailed threadfin bream (Nemipterus furcosus) is a marine fish of the family Nemipteridae. 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 moderately long, reaching to or just short of level of anus. Pelvic fins moderately long, reaching to or just short of level anus. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about the origin of dorsal fin. Females predominate at small sizes while males dominate the larger size classes. Maybe a sequential hermaphrodite. Axillary scale present. Color: Upper body iridescent pink, silvery white below. Lower margin of caudal fin white.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNemipterus furcosusFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Common length18.0Depth range8–110 m (26–361 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 8 - 110 mClimateTropicalDistributionIndian Ocean: Maldives, Gulf of Mannar, Sri Lanka, Andaman Sea, Strait of Malacca and northwestern Australia. Western Pacific: southern Japan to northeastern Australia, Most authors have incorrectly applied the name Nemipterus peronii to this species.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026