HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesImmaculate damsel Immaculate damsel (Mecaenichthys immaculatus) Scientific name: Mecaenichthys immaculatus Ogilby, 1885 The Immaculate damsel (Mecaenichthys immaculatus) is a marine fish of the family Pomacentridae. Native range: Southwest Pacific, New South Wales, Australia. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 16-17; Anal spines: 2; Anal soft rays: 14Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMecaenichthys immaculatusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range0–15 m (0–49 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 0 - 15 mClimateSubtropicalDistributionSouthwest Pacific: New South Wales, Australia.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