yellowfin surgeonfish

Scientific name Acanthurus xanthopterus
Descriptor Valenciennes
Year of description 1835
IUCN category LC
Family Acanthuridae
Genus Acanthurus
Acanthurus xanthopterus Acanthurus xanthopterus


Acanthurus xanthopterus, commonly known as yellowfin surgeonfish, is a salt water fish.

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Who is it?


  • Average size
    50 cm
  • Maximum size
    70 cm
  • Shape
  • Average size
    50 cm
  • Maximum size
    70 cm
  • Shape

How to recognize the yellowfin surgeonfish ?

The yellowfin surgeonfish measures between 50 and 70 cm. This fish is bicolore with a predominantly jaune and violet body.

Behaviour & Life cycle

  • diet
  • Sociability
    living in shoals
  • territorial
  • Way of living

The yellowfin surgeonfish is a fish living in shoals naturally found near the bottom. The members of each group are organized around a well established hierarchy. This species is omnivorous .

The yellowfin surgeonfish is a territorial animal that does not tolerate any incursions into its living area. It is particularly virulent against other territorial species and it can provoke heated fights. Relationships between conspecifics are also hectic, with each seeking to secure its place. Parrying or even sustained fighting can occur between dominant males.


  • Reproduction
    ovipare qui pond en eau libre

The yellowfin surgeonfish is a fish ovipare qui pond en eau libre.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    24 - 28 °C
  • Depth
    1 - 100 m

Biotope presentation

The yellowfin surgeonfish is most often found at a depth between 1m and 100m. However, it is not impossible to find this species at other depths.

Species of the same biotope

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Benoit Chartrer

Benoit Chartrer


Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

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Where to see this species?

Species of the same family

Same genus

Species of the same biotope

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