HomeFreshwater aquarium fishOther freshwater fishBlue-spot demoiselle Blue-spot demoiselle (Chrysiptera oxycephala) Scientific name: Chrysiptera oxycephala Bleeker, 1877 The Blue-spot demoiselle (Chrysiptera oxycephala) is a brackish-water fish of the family Pomacentridae. Native range: Western Central Pacific, Borneo, Indonesia, Philippines, New Guinea, and Palau. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 11-12; Anal spines: 2; Anal soft rays: 12 - 13. Small juveniles brilliant blue and gradually changing to adult pattern.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChrysiptera oxycephalaFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Depth range1–16 m (3–52 ft)EnvironmentMarine; brackish; reef-associated; non-migratory; depth range 1 - 16 mClimateTropicalDistributionWestern Central Pacific: Borneo, Indonesia, Philippines, New Guinea, and Palau.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other freshwater fishLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusSouth American lungfishLepidosiren paradoxaFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026