Ryukyu spiny rat
| Ryukyu spiny rat | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Muridae |
| Genus: | Tokudaia |
| Species: | T. osimensis
|
| Binomial name | |
| Tokudaia osimensis (Y. Abe, 1934)
| |
| |
The Ryukyu spiny rat (Tokudaia osimensis) is a species of rodent in the family Muridae.[2] Endemic to Amami Ōshima island in the Amami Islands of the Ryukyu archipelago of Japan, its natural habitat is subtropical moist broadleaf forest. The karyotype has an odd diploid number, 2n = 25.[2] Like its relative T. tokunoshimensis, it has lost its Y chromosome and SRY gene.[3]
The species is threatened by habitat destruction and fragmentation, predation by feral cats and dogs and introduced mongooses, and competition with introduced black rats.[1]
See also
References
- ^ a b Ishii, N. (2016). "Tokudaia osimensis". IUCN Red List of Threatened Species. 2016: e.T21973A22409638. doi:10.2305/IUCN.UK.2016-1.RLTS.T21973A22409638.en. Retrieved 15 November 2021.
- ^ a b Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1513. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ KAYOKO GEJI (August 23, 2012). "Y chromosome losing all genes, but men won't become extinct". The Asahi Shimbun. Archived from the original on 11 January 2014. Retrieved 11 January 2014.
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