HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesSinclair's demoisselle Sinclair's demoisselle (Chrysiptera sinclairi) Scientific name: Chrysiptera sinclairi Allen, 1987 The Sinclair's demoisselle (Chrysiptera sinclairi) is a marine fish of the family Pomacentridae. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 10-11; Anal spines: 2; Anal soft rays: 11 - 12Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChrysiptera sinclairiFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range1–15 m (3–49 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 1 - 15 mClimateTropicalDistributionWestern Central Pacific: Bismarck Archipelago of Papua New Guinea (Ref. 84037). Re-examination of the type series of Chrysiptera sinclairi revealed that several of the paratypes are actually identifiable as Chrysiptera cymatilis.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