HomeMarine aquarium fishAngelfish & butterflyfishRed Sea bannerfish Red Sea bannerfish (Heniochus intermedius) Scientific name: Heniochus intermedius Steindachner, 1893 The Red Sea bannerfish (Heniochus intermedius) is a marine fish of the family Chaetodontidae. Native range: Western Indian Ocean, Red Sea and the Gulf of Aden. BiologyFound on coral slopes Juveniles in large groups at base of reef, sometimes with H. diphreutes; adults usually solitary or paired, occasionally in groups. Feed on zooplankton and benthic invertebrates. Oviparous, monogamous. Form pairs during breeding.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHeniochus intermediusFamilyChaetodontidae (Butterflyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range3–50 m (10–164 ft)EnvironmentMarine; reef-associated; depth range 3 - 50 mClimateTropicalDistributionWestern Indian Ocean: Red Sea and the Gulf of Aden.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 nematopteraBlacknosed butterflyfishJohnrandallia nigrirostrisBluecheek butterflyfishChaetodon semilarvatusEritrean butterflyfishChaetodon paucifasciatusHooded butterflyfishChaetodon larvatusDiagonal butterflyfishChaetodon fasciatusSee 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