HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesBrown damsel Brown damsel (Pomacentrus opisthostigma) Scientific name: Pomacentrus opisthostigma Fowler, 1918 The Brown damsel (Pomacentrus opisthostigma) is a marine fish of the family Pomacentridae. Native range: Western Central Pacific, Philippines and Papua New Guinea (D'Entrecasteaux Islands). BiologyDorsal spines (total): 14; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 15 - 16Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePomacentrus opisthostigmaFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.5Depth range6–16 m (20–52 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 6 - 16 mClimateTropicalDistributionWestern Central Pacific: Philippines and Papua New Guinea (D'Entrecasteaux Islands).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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