Sealife guideThe orangeband surgeonfishAcanthurus olivaceus

Last updated on 09/05/2024 at 09:40 PM
Taxonomy
  • Common name: Orangeband surgeonfish
  • French name: Poisson chirurgien olive à bande orange, chirurgien à épaulettes, chirurgien gendarme (Polynésie)
  • Scientific name: Acanthurus olivaceus (Bloch & Schneider, 1801)
  • Family name: Acanthuridae
  • Order name: Acanthuriformes
  • Class name: Actinopterygii
Description
The orangeband surgeonfish, as its name suggests, has a dominant greenish-brown color with a distinctive large, horizontally elongated oval orange patch that starts behind its eye and ends in a blue-violet comet-shaped tail in the middle of its body.
The orangeband surgeonfish (Acanthurus olivaceus)
The orangeband surgeonfish (Acanthurus olivaceus) © Rickard Zerpe sous licence Creative Commons
A thin light-colored border outlines its long dorsal and anal fins.
The orangeband surgeonfish is a modest-sized fish, reaching about 8 inches in length when fully grown.
Geographic range
The orangeband surgeonfish is found in the tropical waters of the central Pacific ocean and also in the Indian ocean around the coral reefs of Mauritius.
Diet
Like most surgeonfish, the orangeband surgeonfish is primarily herbivorous. It feeds on algae and detritus scraped from the surfaces of coral reefs and rocky bottoms using its beak-shaped mouth.
Did you know ?
As an herbivore, the orangeband surgeonfish helps maintain healthy coral reefs by controlling algae growth.
The orangeband surgeonfish is listed as many other marine species within The IUCN Red List of threatened species. The orangeband surgeonfish appears in the IUCN Red List since 2012 within the category Least Concern !
Within the same genus
Black-spot surgeonfish (Acanthurus bariene)
Black-spot surgeonfish
(Acanthurus bariene)
Blue tang surgeonfish (Acanthurus coeruleus)
Blue tang surgeonfish
(Acanthurus coeruleus)
Japanese surgeonfish (Acanthurus japonicus)
Japanese surgeonfish
(Acanthurus japonicus)
Mimic surgeonfish (Acanthurus pyroferus)
Mimic surgeonfish
(Acanthurus pyroferus)
Ocean tang (Acanthurus bahianus)
Ocean tang
(Acanthurus bahianus)
Palelipped surgeonfish (Acanthurus leucocheilus)
Palelipped surgeonfish
(Acanthurus leucocheilus)
Sohal surgeonfish (Acanthurus sohal)
Sohal surgeonfish
(Acanthurus sohal)
Yellowmask surgeonfish (Acanthurus mata)
Yellowmask surgeonfish
(Acanthurus mata)
Within the same family
Bluetail unicornfish (Naso caeruleacauda)
Bluetail unicornfish
(Naso caeruleacauda)
Humpback unicornfish (Naso brachycentron)
Humpback unicornfish
(Naso brachycentron)
Indian sailfin surgeonfish (Zebrasoma desjardinii)
Indian sailfin surgeonfish
(Zebrasoma desjardinii)
Kole tang (Ctenochaetus strigosus)
Kole tang
(Ctenochaetus strigosus)
Orangespine unicornfish (Naso lituratus)
Orangespine unicornfish
(Naso lituratus)
Paletail unicornfish (Naso brevirostris)
Paletail unicornfish
(Naso brevirostris)
Palette surgeonfish (Paracanthurus hepatus)
Palette surgeonfish
(Paracanthurus hepatus)
Sailfin tang (Zebrasoma velifer)
Sailfin tang
(Zebrasoma velifer)
Discover also
Black-spot angelfish (Genicanthus melanospilos)
Black-spot angelfish
(Genicanthus melanospilos)
Blackbelt hogfish (Bodianus mesothorax)
Blackbelt hogfish
(Bodianus mesothorax)
Brown-marbled grouper (Epinephelus fuscoguttatus)
Brown-marbled grouper
(Epinephelus fuscoguttatus)
Eightband butterflyfish (Chaetodon octofasciatus)
Eightband butterflyfish
(Chaetodon octofasciatus)
Nassau grouper (Epinephelus striatus)
Nassau grouper
(Epinephelus striatus)
Onespot snapper (Lutjanus monostigma)
Onespot snapper
(Lutjanus monostigma)
Saddleback gunnel (Pholis ornata)
Saddleback gunnel
(Pholis ornata)
Scrawled cowfish (Acanthostracion quadricornis)
Scrawled cowfish
(Acanthostracion quadricornis)

Our latestUpdates

The blueface angelfish
Monday, March 2nd 2026
The blueface angelfish
The blueface angelfish is a very colorful fish of the tropical coral reefs of the Indo-Pacific, recognizable by its bright blue head and its bluish body finely reticulated with yellow.
The Atlantic tarpon
Wednesday, February 18th 2026
The Atlantic tarpon
The Atlantic tarpon is a large coastal fish that can grow up to 8 feet long and weigh over 330 pounds, with a silvery body covered in large, reflective scales. Known as the Silver King, it is famous for its spectacular leaps and fierce fight when hooked by sport fishermen.
The dugong
Friday, January 30th 2026
The dugong
Discover the dugong, a gentle “sea cow” of tropical waters. Learn about its habitat, diet, reproduction, morphology, and the threats facing this unique marine mammal.
Photo of the Day
Comatule dorée (Davidaster rubiginosus)
Comatule dorée
(Davidaster rubiginosus)