CreatureData

Greyhead surgeonfish

Acanthurus nigros Günther, 1861

Status not recordedbony fish

The greyhead surgeonfish (Acanthurus nigros) is a species in the family Acanthuridae, order Acanthuriformes.

No freely licensed photo yet

Quick facts about the greyhead surgeonfish

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the greyhead surgeonfish live?

Not recorded

Is the greyhead surgeonfish endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the greyhead surgeonfish classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classTeleostei
  4. orderAcanthuriformes
  5. familyAcanthuridae
  6. genusAcanthurus
  7. SpeciesAcanthurus nigros Günther, 1861
Other names and names in other languages (5)
  • Peix cirurgià de MicronèsiaCatalan
  • Pez cirujano de cabeza grisSpanish
  • Pesce chirurgo cioccolatoItalian
  • ナンゴククロハギJapanese
  • Cirurgião-de-linha-azulPortuguese

Catalogue of Life

Relatives of the greyhead surgeonfish

Other species in the same genus Acanthurus.

Clown tang

Acanthurus lineatus

AcanthuridaeNo free photo yet

Convictfish

Acanthurus triostegus

AcanthuridaeNo free photo yet

Palani

Acanthurus dussumieri

AcanthuridaeNo free photo yet

Sohal

Acanthurus sohal

AcanthuridaeNo free photo yet

Redspot tang

Acanthurus achilles

AcanthuridaeNo free photo yet

CompareGreyhead surgeonfish vs Blue surgeonfishGreyhead surgeonfish vs Clown tangGreyhead surgeonfish vs ConvictfishGreyhead surgeonfish vs Palani

Common questions

Answered only where our data holds the answer.

What kind of animal is the greyhead surgeonfish?

The greyhead surgeonfish (Acanthurus nigros) belongs to the family Acanthuridae in the order Acanthuriformes.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Greyhead surgeonfish (Acanthurus nigros). Retrieved from https://creaturedata.com/animals/greyhead-surgeonfish

MLA

“Greyhead surgeonfish (Acanthurus nigros).” CreatureData, 2026, https://creaturedata.com/animals/greyhead-surgeonfish.

BibTeX
@misc{greyhead_surgeonfish_2026,
  title = {Greyhead surgeonfish (Acanthurus nigros)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/greyhead-surgeonfish},
  note = {Data as of 2026-11-11}
}