HomeMarine aquarium fishAngelfish & butterflyfishThree-banded butterflyfish Three-banded butterflyfish (Chaetodon robustus) Scientific name: Chaetodon robustus G?nther, 1860 The Three-banded butterflyfish (Chaetodon robustus) is a marine fish of the family Chaetodontidae. Native range: Eastern Central Atlantic, Mauritania to Gulf of Guinea, extends to Cape Verde. BiologyOccur over rocky areas in inshore waters. Oviparous. Form pairs during breeding.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChaetodon robustusFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length14.5Depth range30–70 m (98–230 ft)EnvironmentMarine; reef-associated; depth range 30 - 70 m, usually 40 - 50 mClimateTropicalDistributionEastern Central Atlantic: Mauritania to Gulf of Guinea, extends to Cape Verde.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More angelfish & butterflyfishPajama cardinalfishSphaeramia nematopteraTruncate coralfishChelmonops truncatusTwospot coralfishCoradion melanopusNarrow-barred butterflyfishAmphichaetodon melbaeIndian vagabond butterflyfishChaetodon decussatusBlack-velvet angelfishChaetodontoplus melanosomaSee all angelfish & butterflyfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026