HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesMonarch damsel Monarch damsel (Dischistodus pseudochrysopoecilus) Scientific name: Dischistodus pseudochrysopoecilus Allen & Robertson, 1974 The Monarch damsel (Dischistodus pseudochrysopoecilus) is a marine fish of the family Pomacentridae. Native range: Western Central Pacific, Philippines to the GBR and Melanesia. Also reported from Malaysia. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 13-15; Anal spines: 2; Anal soft rays: 14 - 15. Similar to D. chrysopoecilus but white spot angled back slightly.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDischistodus pseudochrysopoecilusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range1–5 m (3–16 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 5 mClimateTropicalDistributionWestern Central Pacific: Philippines to the GBR and Melanesia. Also reported from Malaysia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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