Galapagos Species Database

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

Uropterygius macrocephalus (Bleeker, 1864)

morena cabezona, morena cabeza grande, Longhead moray, largehead moray

Size: Rarely exceeds lengths of 40 cm.

Habitat: Among rocks and crevices and in reefs habitats. Common in shallow waters, usually in depths less then 10 m.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Teleostei

Order
Anguilliformes

Suborder
Muraenoidei

Family
Muraenidae

Genus
Uropterygius

Species
macrocephalus

Taxon category: Accepted

Syn.: Anarchias knighti Jordan & Starck, 1906, Gymnomuraena macrocephalus Bleeker, 1864, Gymnomuraena nectura Jordan & Gilbert, 1882, Uropterygius knighti (Jordan & Starck, 1906), Uropterygius necturus (Jordan & Gilbert, 1882), Uropterygius reidi Schultz, 1943, fide Appeltans et al. (2010)

Origin: Native

Status

Least concern

Distribution

Distribution: Widespread in the weastern and central Pacific, in the eastern Pacific from the Gulf of California to Panama, also Cocos, Isla del Cano, Revillagigedos, Tres Marias and Galapagos

References

  • 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.
  • 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.
  • IUCN (2023) The IUCN Red List of Threatened Species. Version 2022-2 Https://www.iucnredlist.org
  • IUCN (2010) IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 26 April 2010.
  • 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.

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, Uropterygius macrocephalus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=11586. Accessed 31 October 2026.