HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesRed Sea demoiselle Red Sea demoiselle (Neopomacentrus xanthurus) Scientific name: Neopomacentrus xanthurus Allen & Randall, 1980 The Red Sea demoiselle (Neopomacentrus xanthurus) is a marine fish of the family Pomacentridae. Native range: Western Indian Ocean, southern Red Sea from about Jiddah, Saudi Arabia, to the Gulf of Aden. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 10-12; Anal spines: 2; Anal soft rays: 10 - 11Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeopomacentrus xanthurusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range1–15 m (3–49 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 15 mClimateTropicalDistributionWestern Indian Ocean: southern Red Sea from about Jiddah, Saudi Arabia, to the Gulf of Aden.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