Rattus ceramicus (Thomas, 1920)

Seram Island mountain rat, Seram rat, Ceram rat



Taxonomy & Nomenclature

Synonym/s: Nesoromys ceramicus Thomas, 1920; Nesoromys ceramicus (Thomas, 1920)


Conservation Status

Last record: 1920

Rediscovered in 1987

IUCN RedList status: Endangered



Seram Island (=Ceram), Indonesia


Biology & Ecology




Holotype: NHMUK ZD 1920.7.26.28 (Fabre et al., 2023)


Other specimens:

NHMUK ZD 1920.7.26.29 (Fabre et al., 2023)

NHMUK ZD 1920.7.26.30 (Fabre et al., 2023)

WAM M33490 (Helgen, 2003)






Dickman, C. and Wright, D. (2016). Nesoromys ceramicus. The IUCN Red List of Threatened Species 2016: e.T20757A22447920. Downloaded on 15 February 2017.

Fabre, Pierre-Henri, Roberto Portela Miguez, Mary Ellen Holden, Yuli S. Fitriana, Gono Semiadi, Guy G. Musser, and Kristofer M. Helgen. (2023). Review of Moluccan Rattus (Rodentia: Muridae) with description of four new species. In Contributions to Mammalogy and Zooarchaeology of Wallacea, ed. K. M. Helgen and R. K. Jones. Records of the Australian Museum 75(5): 673-718.

Flannery, T. F. (1995). Mammals of the South-West Pacific and Moluccan Islands. Australian Museum/Reed Books, Chatswood.

Helgen, Kristofer M. (2003). A review of the rodent fauna of Seram, Moluccas, with the description of a new subspecies of mosaic-tailed rat, Melomys rufescens paveli. Journal of Zoology (London) 261: 165-172.

Musser, Guy G. and Carleton, M. D. (2005). Superfamily Muroidea, pp. 894-1531. In: D.E. Wilson and D.A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference. The John Hopkins University Press, Baltimore, USA.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr. (2017). Muridae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 536-884 [878].


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