Sealife guideThe blue tang surgeonfishAcanthurus coeruleus

Last updated on 09/17/2024 at 11:51 PM
The blue tang surgeonfish (Acanthurus coeruleus)
The blue tang surgeonfish (Acanthurus coeruleus)
Taxonomy
  • Common name: Blue tang surgeonfish, Blue tang, blue doctorfish
  • French name: Poisson chirurgien bleu, poisson chirurgien bayolle
  • Spanish name: Cirujano azul
  • Scientific name: Acanthurus coeruleus (Bloch & Schneider, 1801)
  • Family name: Acanthuridae
  • Order name: Acanthuriformes
  • Class name: Actinopterygii
Description
The blue tang surgeonfish is distinguished by its oval and flattened body covered with small, smooth scales. It features a bright blue color that intensifies with age and may have yellowish hues when it is young.
Note the presence of a sharp, lateral spine at the base of the blue tang's tail !
Note the presence of a sharp, lateral spine at the base of the blue tang's tail !
On each side of its tail, the blue tang surgeonfish has a sharp spine, resembling a scalpel, which helps it defend against predators.
The blue tang surgeonfish typically measures about 10 to 12 inches in length with a maximum size of up to 16 inches.
Geographic range
The blue tang surgeonfish is primarily found in the tropical waters of the western Atlantic ocean. Its range extends from the coasts of Florida and the Bahamas to the Caribbean, including the Greater Antilles and the Lesser Antilles, as well as along the coasts of the Sargasso sea.
Habitat
The blue tang surgeonfish typically inhabits coral reefs, seagrass beds and rocky areas where it hides in crevices. It is commonly found in shallow waters up to about 65 feet deep.
The blue tang surgeonfish (Acanthurus coeruleus)
The blue tang surgeonfish (Acanthurus coeruleus)
Diet
The blue tang surgeonfish is an omnivore with a strong herbivorous tendency. It primarily feeds on algae but also consumes small marine organisms.
Did you know ?
The blue tang surgeonfish gets its name from the presence of a sharp, scalpel-like spine on either side of its tail which it uses to keep predators at bay !
The blue tang surgeonfish (Acanthurus coeruleus)
The blue tang surgeonfish (Acanthurus coeruleus)
The blue tang surgeonfish is listed as many other marine species within The IUCN Red List of threatened species. The blue tang 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)
Doctorfish (Acanthurus chirurgus)
Doctorfish
(Acanthurus chirurgus)
Ocean tang (Acanthurus bahianus)
Ocean tang
(Acanthurus bahianus)
Orangeband surgeonfish (Acanthurus olivaceus)
Orangeband surgeonfish
(Acanthurus olivaceus)
Palelipped surgeonfish (Acanthurus leucocheilus)
Palelipped surgeonfish
(Acanthurus leucocheilus)
Powder blue tang (Acanthurus leucosternon)
Powder blue tang
(Acanthurus leucosternon)
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
Cottonwick grunt (Haemulon melanurum)
Cottonwick grunt
(Haemulon melanurum)
Harlequin sweetlips (Plectorhinchus chaetodonoides)
Harlequin sweetlips
(Plectorhinchus chaetodonoides)
Orange striped triggerfish (Balistapus undulatus)
Orange striped triggerfish
(Balistapus undulatus)
Princess parrotfish (Scarus taeniopterus)
Princess parrotfish
(Scarus taeniopterus)
Taylor's pygmy leatherjacket (Brachaluteres taylori)
Taylor's pygmy leatherjacket
(Brachaluteres taylori)
Whitecheek monocle bream (Scolopsis vosmeri)
Whitecheek monocle bream
(Scolopsis vosmeri)
Yellow goosefish (Lophius litulon)
Yellow goosefish
(Lophius litulon)
Yellowline goby (Elacatinus horsti)
Yellowline goby
(Elacatinus horsti)
The marine species in the Caribbean
Bar jack (Caranx ruber)
Bar jack
(Caranx ruber)
Blackbar soldierfish (Myripristis jacobus)
Blackbar soldierfish
(Myripristis jacobus)
Bladed fire coral (Millepora complanata)
Bladed fire coral
(Millepora complanata)
Hogfish (Lachnolaimus maximus)
Hogfish
(Lachnolaimus maximus)
Red hind grouper (Epinephelus guttatus)
Red hind grouper
(Epinephelus guttatus)
Spotted drum (Equetus punctatus)
Spotted drum
(Equetus punctatus)
Spotted goatfish (Pseudupeneus maculatus)
Spotted goatfish
(Pseudupeneus maculatus)
Spotted spiny lobster (Panulirus guttatus)
Spotted spiny lobster
(Panulirus guttatus)
Dive centers
Centre de plongée des Ilets
'Les Ilets' dive center
Noa Plongée
Noa dive center
Abonnez-vous !

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