Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Acanthurus olivaceus Bloch & Schneider, 1801

Pez Cirujano de Banda Naranja, Orangespot surgeonfish

Surgeonfish up to 35 cm long, with a distinctive orange stripe bordered in black starting behind the eye, a black mark on the caudal spine, a white patch on the caudal fin, and a bicolored body: grey in the front and black toward the rear (Bensted-Smith, W., Terán, F., Banks, S., & Keith, I., 2025)..

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Actinopteri

Order
Acanthuriformes

Family
Acanthuridae

Genus
Acanthurus

Species
olivaceus

Taxon category: Accepted

Syn.: Acanthurus chrysosoma Bleeker, 1857; Acanthurus eparai Lesson, 1831; Acanthurus eparei Lesson, 1831; Acanthurus erythromelas Swainson, 1839; Acanthurus humeralis Valenciennes, 1835; Acanthurus olicaceous Bloch & Schneider, 1801; Ctenodon erythromelas (Swainson, 1839); Harpurus paroticus Forster, 1844; Hepatus chrysosoma (Bleeker, 1857); Hepatus olivaceus (Bloch & Schneider, 1801); Rhombotides olivaceus (Bloch & Schneider, 1801); Rhombotides Xanthosoma Bleeker, 1865; Teuthis olivaceus (Bloch & Schneider, 1801) (Ahyong, S et al., 2025)

Origin: Native

Distribution

Distribution: Widely distributed in the Indo-Pacific, from Socotra and the western Indian Ocean to Japan, Hawaii, Australia, and the Line Islands in the Central Pacific. In the Galápagos Islands, it has been recorded at Marchena Island (Bensted-Smith, W., Terán, F., Banks, S., & Keith, I., 2025).

References

  • Ahyong, S Et. al. (2025) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ. doi:10.14284/170
  • Bensted-Smith W Terán F, Banks S, Keith I (2025) New photographic records of eight marine fishes from the Galápagos Islands, including three first records for the Eastern Tropical Pacific. Check List 21 (2): 485–505. https://doi.org/10.15560/21.2.485

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This page should be cited as follows:

"Galapagos Species Database, Acanthurus olivaceus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=25583. Accessed 6 November 2026.