HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsUnarmed dwarf monocle bream Unarmed dwarf monocle bream (Parascolopsis inermis) Scientific name: Parascolopsis inermis Temminck & Schlegel, 1843 The Unarmed dwarf monocle bream (Parascolopsis inermis) is a marine fish of the family Nemipteridae. Native range: Eastern Indian Ocean, including the Laccadive Islands, Sri Lanka, Andaman Sea. Western Pacific: including southern Japan and the South China Sea. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Head scales reaching forward to between middle of eye. Posterior margin of preopercle sloping forward slightly. Lower limb of preopercle naked. Posterior margin of suborbital fine serrate, with a very small spine at upper corner. Pectoral fins long, reaching to or beyond level of anus. Pelvic fins long, reaching to or almost to level of anus. Color: Pale yellowish body, silvery below.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParascolopsis inermisFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Common length12.0Depth range60–131 m (197–430 ft)EnvironmentMarine; demersal; non-migratory; depth range 60 - 131 mClimateTropicalDistributionEastern Indian Ocean: including the Laccadive Islands, Sri Lanka, Andaman Sea. Western Pacific: including southern Japan and the South China Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.70) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026