HomeFish encyclopediaRay-finned fishesPerch-like fishThreadfin breams, Whiptail breamsPeters' monocle bream Peters' monocle bream (Scolopsis affinis) Scientific name: Scolopsis affinis Peters, 1877 The Peters' monocle bream (Scolopsis affinis) 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 limb of preopercle scaly. Antrorse (forward-directed) suborbital spine absent. Pelvic fins long, reaching to or beyond level of anus. Larger specimens with upper and lower lobes falcate. Presence of indistinct bluish stripe between eyes and a narrow white stripe from middle of upper lip to below eye. Juveniles with dusky brown stripe on either side of dorsal midline, and dusky brown midlateral stripe, yellowish above anteriorly. Axillary scale present. Color: Body silvery-white. Top of head and snout dusky grey. An indistinct bluish stripe between eyes. A narrow white stripe from middle of upper lip to below eye.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScolopsis affinisFamilyNemipteridae (Threadfin breams, Whiptail breams)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Common length15.0Depth range3–60 m (10–197 ft)EnvironmentMarine; reef-associated; depth range 3 - 60 mClimateTropicalDistributionWestern Pacific: Andaman Sea in the eastern Indian Ocean to Indonesia, north to the Ryukyu Islands, south to northeastern Australia and the Solomon Islands. This species has been incorrectly referred to as Scolopsis personatus (a junior synonym of Scolopsis auratus) by some authors.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceHigh, 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