Galapagos Species Database

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

Naso hexacanthus (Bleeker, 1855)

Pez unicornio liso, Sleek unicornfish

It is a hornless unicornfish that can reach up to 75 cm in length. It inhabits coral and rocky reefs between 10 and 40 m deep.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Teleostei

Order
Acanthuriformes

Suborder
Acanthuroidei

Family
Acanthuridae

Genus
Naso

Species
hexacanthus

Taxon category: Accepted

Syn.: Callicanthus hexacanthus (Bleeker, 1855); Naseus vomer Klunzinger, 1871; Naso hexacantus (Bleeker, 1855); Naso tapeinosoma (Junior synonym); Naso thorpei Smith, 1966; Naso vomer (Klunzinger, 1871); Priodon hexacanthus Bleeker, 1855 (Ahyong, S et al., 2025).

Origin: Native

Status

IUCN Red List Category: Not evaluated

Distribution

Distribution: It is distributed from South Africa and the Red Sea to the Line Islands, extending north to Japan and Hawaii, and south to Australia. It is also recorded as a vagrant at Clipperton, Cocos Island, and the Pacific coast of Mexico. In the Galápagos Islands, it has been recorded at Floreana and Seymour

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
  • 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.
  • Robertson, D.R. (2002) NT/complete

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, Naso hexacanthus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7680. Accessed 6 November 2026.