HomeMarine aquarium fishClownfish & damselfishYellowtail demoiselle Yellowtail demoiselle (Neopomacentrus azysron) Scientific name: Neopomacentrus azysron Bleeker, 1877 The Yellowtail demoiselle (Neopomacentrus azysron) is a marine fish of the family Pomacentridae. Native range: Indo-West Pacific, East Africa to the Indo-Malayan Archipelago and Vanuatu, north to Taiwan, south to northern Australia, New Guinea, and the Solomon Islands. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 11-12; Anal spines: 2; Anal soft rays: 11 - 12. Distinguished from similar species by the all-yellow anal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeopomacentrus azysronFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range1–12 m (3–39 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 12 mClimateTropicalDistributionIndo-West Pacific: East Africa to the Indo-Malayan Archipelago and Vanuatu, north to Taiwan, south to northern Australia, New Guinea, and the Solomon Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More clownfish & damselfishOcellated damselNeoglyphidodon bonangSergeant-majorAbudefduf saxatilisNight sergeantAbudefduf taurusBrown chromisChromis multilineataYellowtail damselfishMicrospathodon chrysurusNatal sergeantAbudefduf natalensisSee all clownfish & damselfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026