HomeFreshwater aquarium fishOther freshwater fishGolden butterflyfish Golden butterflyfish (Chaetodon aureofasciatus) Scientific name: Chaetodon aureofasciatus Macleay, 1878 The Golden butterflyfish (Chaetodon aureofasciatus) is a brackish-water fish of the family Chaetodontidae. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 20-22; Anal spines: 3; Anal soft rays: 17 - 18; Vertebrae: 24. Body nearly circular. Preopercle obtuse-angled, smooth to finely serrate. Eye diameter is greater than snout length. Dorsal and anal fins strongly and equally rounded and do not appear confluent with caudal fin. Pelvic fins long, extending as far as second anal fin spine base. Juveniles similar in shape to adults. Axillary scale present. Color: Eyebands join at nape and extend to chest as two indistinct lines, the anterior lines again joined. Indistinct dark bordered light stripe in interorbital.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChaetodon aureofasciatusFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.5Depth range5–15 m (16–49 ft)EnvironmentMarine; brackish; reef-associated; non-migratory; depth range 5 - 15 mClimateTropicalDistributionWestern Pacific: northern Australia, from Western Australia to the Great Barrier Reef; New Guinea and perhaps further into Melanesia. Very closely related to Chaetodon rainfordi and the two species are sympatric over part of their ranges.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other freshwater fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale 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