Tokudaia_osimensis

Ryukyu spiny rat

Ryukyu spiny rat

Species of rodent


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]

Quick Facts Conservation status, Scientific classification ...

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

  1. 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.
  2. 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.
  3. 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.

{{_}}


Share this article:

This article uses material from the Wikipedia article Tokudaia_osimensis, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.