HomeFish encyclopediaRay-finned fishesPerch-like fishButterflyfishesWestern talma Western talma (Chelmonops curiosus) Scientific name: Chelmonops curiosus Kuiter, 1986 The Western talma (Chelmonops curiosus) is a marine fish of the family Chaetodontidae. Native range: Eastern Indian Ocean, Australia. BiologyA generally common species found in vertical rock faces. Feed on worms and crustaceans. Oviparous. Form pairs during breeding.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChelmonops curiosusFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length26.0Depth range51–57 m (167–187 ft)EnvironmentMarine; reef-associated; depth range 51 - 57 mClimateSubtropicalDistributionEastern Indian Ocean: Australia.Conservation status (IUCN)Least Concern (LC)Threat 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