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
Doctorfish (Acanthurus chirurgus)
Doctorfish
(Acanthurus chirurgus)
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)
Striped surgeonfish (Acanthurus lineatus)
Striped surgeonfish
(Acanthurus lineatus)
Yellowfin surgeonfish (Acanthurus xanthopterus)
Yellowfin surgeonfish
(Acanthurus xanthopterus)
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
Bali sardinella (Sardinella lemuru)
Bali sardinella
(Sardinella lemuru)
Bengal snapper (Lutjanus bengalensis)
Bengal snapper
(Lutjanus bengalensis)
False leopard wrasse (Macropharyngodon ornatus)
False leopard wrasse
(Macropharyngodon ornatus)
Old glory (Koumansetta rainfordi)
Old glory
(Koumansetta rainfordi)
Panda butterflyfish (Chaetodon adiergastos)
Panda butterflyfish
(Chaetodon adiergastos)
Pontoh's pygmy seahorse (Hippocampus pontohi)
Pontoh's pygmy seahorse
(Hippocampus pontohi)
Short bigeye (Pristigenys alta)
Short bigeye
(Pristigenys alta)
Vermiculated angelfish (Chaetodontoplus mesoleucus)
Vermiculated angelfish
(Chaetodontoplus mesoleucus)
The marine species in the Caribbean
Doctorfish (Acanthurus chirurgus)
Doctorfish
(Acanthurus chirurgus)
Foureye butterflyfish (Chaetodon capistratus)
Foureye butterflyfish
(Chaetodon capistratus)
Graysby (Cephalopholis cruentata)
Graysby
(Cephalopholis cruentata)
Longspined porcupinefish (Diodon holocanthus)
Longspined porcupinefish
(Diodon holocanthus)
Mutton snapper (Lutjanus analis)
Mutton snapper
(Lutjanus analis)
Princess parrotfish (Scarus taeniopterus)
Princess parrotfish
(Scarus taeniopterus)
Royal angelfish (Pygoplites diacanthus)
Royal angelfish
(Pygoplites diacanthus)
Yellow tube sponge (Aplysina fistularis)
Yellow tube sponge
(Aplysina fistularis)
Dive centers
Centre de plongée des Ilets
'Les Ilets' dive center
Noa Plongée
Noa dive center
Abonnez-vous !

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