Galapagos Species Database

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

Aegialomys galapagoensis (Waterhouse, 1839)

Rata de Galapagos, Galapagos - Rice rat

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Chordata

Class
Mammalia

Order
Rodentia

Family
Cricetidae

Genus
Aegialomys

Species
galapagoensis

Taxon category: Accepted

Syn.: Aegialomys bauri (Allen, 1892) from Santa Fe. Oryzomys galapagoensis (Waterhouse, 1839), Oryzomys galapagoensis galapagoensis (Waterhouse, 1839)

Origin: Endemic

Status

Vulnerable

Distribution

Distribution: Extinct in San Cristobal (First report was in 1835 and last collection was in 1835) and Santiago Islands, but its present in Santa Fe Island.

References

  • Allen, J.A. (1892) On a Small Collection of Mammals from the Galapagos Islands, collected by Dr. G. Baur. Bull. Am. Mus. Nat. His. 4: 47-50.
  • do Prado, J.R. Percequillo, A.R. (2017) ystematic Studies of the Genus Aegialomys Weksler et al., 2006 (Rodentia: Cricetidae: Sigmodontinae): Geographic Variation, Species Delimitation, and Biogeography. Journal fo Mammalian Evolution doi:10.1007/s10914-016-9360-y
  • Dowler R.C. Carroll, D.S. & Edwards, C.W. (2000) Rediscovery of rodents (Genus Nesoryzomys) considered extint in the Galapagos Island. Oryx 34(2): 109-117.
  • Harris, D.B. (2006) Introduced black rats abd endemic Galapagos rice rats: competition, coexistence and conservation. A thesis submitted for the degree of Doctor of Philosophy. Linacre College, Oxford.
  • Jiménez-Uzcátegui, G. Milstead, B., Márquez, C., Zabala, J., Buitrón, P., Llerena, A., et al. (2007) Galapagos vertebrates: endangered status and conservation actions. Galapagos Report 2006–2007. Charles Darwin Foundation, Puerto Ayora, p. 104–110.
  • Orr, R.J. (1966) Evolutionary aspects of the mammalian fauna of the Galapagos. In: Bowman, R.I. (ed.): The Galapagos. Proc. Symposia G.I.S.P., Univ. Calif. Press, Berkeley, p. 276-281.
  • Prado, J.R. Percequillo, A.R. (2016) Systematic studies of the genus Aegialomys Weksler, Percequillo and Voss, 2006 (Rodentia: Cricetidae: Sigmodontinae): Annotated catalogue of the types of the species-group taxa. Zootaxa, 4144(4), 477-498.
  • Snell, H.L. Tye, A., Causton, C.E. & Bensted-Smith, R. (1999) Estado y amenazas de la biodiversidad terretre de Galápagos. Visión para la biodiversidad de las islas Galápagos. Fundación Charles Darwin para las islas Galápagos y WWF. Puerto Ayora, Galápagos.
  • Steadman, D. W. Stafford, T. W., Donahue, D. J. & Jull, A. J. T. (1991) Chronology of Holocene vertebrate extinction in the Galápagos Islands. Quaternary Research 36(1): 126-133.
  • Weksler, M. Reis Percequillo, A. & Voss, R.S. (2006) Ten New Genera of Oryzomyine Rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1-29.
  • Wilson, D.E. Reeder, D.M. (2005) Mammal species of the world. Johns Hopkins University Press, Baltimore, 3rd ed., 142 pp.

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This page should be cited as follows:

"Galapagos Species Database, Aegialomys galapagoensis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist?species=16794. Accessed 3 October 2026.