Galapagos Species Database

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

Acanthurus triostegus (Linnaeus, 1758)

cirujano reo, lancero convicto., cirujano convicto, Convict surgeonfish

Yellowish cream to white or silvery. Single retractile spine at base at base of tail. Up to 13 cm

Habitat: Hard substrat in lagoons or coral reefs up to depths of 90 m

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Teleostei

Order
Acanthuriformes

Family
Acanthuridae

Genus
Acanthurus

Species
triostegus

Taxon category: Accepted

Syn.: Acanthurus hirudo Bennett, 1829, Acanthurus pentazona Bleeker, 1850, Acanthurus subarmatus Bennett, 1840, Acanthurus triostegus marquesensis Schultz & Woods, 1948, Acanthurus triostegus sandvicensis Streets, 1877, Acanthurus triostegus triostegus (Linnaeus, 1758), Acanthurus zebra Lacepède, 1802, Chaetodon couaga Lacepède, 1802, Chaetodon triostegus Linnaeus, 1758, Harpurus fasciatus Forster, 1801, Hepatus sandvicensis (Streets, 1877), Hepatus triostegus (Linnaeus, 1758), Rhombotides pentazona (Bleeker, 1850), Rhombotides triostegus (Linnaeus, 1758), Teuthis australis Gray, 1827, Teuthis elegans Garman, 1899, Teuthis sandvicensis (Streets, 1877), Teuthis triostegus (Linnaeus, 1758), Teuthis troughtoni Whitley, 1928, fide Appeltans et al. (2010)

Origin: Native

Status

Least concern

Distribution

Distribution: Indo-Pacific; off mainland Costa Rica, and at Clipperton, Cocos, Revillegigedos and Ecuador in Galápagos islands.Tropical Indo-Pacific from East Africa to the Americas, mouth of the Gulf of California to Ecuador, all the oceanic islands of the Eastern Pacifc.

References

  • Grove, J.S. Lavenberg, R.J. (1997) The Fishes of the Galapagos Islands. Stanford University Press, Stanford California. 862 pp.
  • Humann, P. Deloach, N. (2003) Reef Fish Identification - Galapagos. New World Publication, Inc. Florida USA & Libri Mundi, Quito, Ecuador, 226 pp.
  • Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
  • McCosker, J.E. Rosenblatt, R.H. (2010) The fishes of the Galápagos Archipelago: an update. Proc. Calif. Acad. Sc., Ser. 4, vol. 61, Suppl. II, no. 11: 167-195.
  • Edgar, G.J. Fariña, J.M., Calvopiña, M., Martínez, C. & Banks, S. (2002) Comunidades submareales rocosas II: Peces y macroinvertebrados móviles. In: Danulat, E. & Edgar, G.J. (eds.) (2002): Reserva Marina de Galápagos. Línea Base de la Biodiversidad. Fundación Charles Darwin/Servicio Parque Nacional Galápagos, Santa Cruz, Galápagos, Ecuador, p. 68-97.
  • Constant, P. (2007) Marine Life of the Galapagos. The Diver's guide to Fishes, Whales, Dolphins and marine Invertebrates, 307 pp.
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Acanthurus triostegus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7677. Accessed 9 May 2025.