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iNat·45527SpeciesMammalia19 field observations
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  8. ›Rodents
  9. ›Mice, Rats, and Hamsters
  10. ›Muroids
  11. ›Old World Mice and Rats
  12. ›Murines
  13. ›Old World Field Mice and Ryukyu Spiny Rats
  14. ›Tokudaia
Amami Spiny Rat
Plate 1 of 2. (c) Wich’yanan (Jay) Limparungpatthanakij, some rights reserved (CC BY-NC), uploaded by Wich’yanan (Jay) Limparungpatthanakij · via iNaturalist
IUCN EN · Endangered

Amami Spiny Rat

Tokudaia osimensis

The Ryukyu spiny rat (Tokudaia osimensis) is a species of rodent in the family Muridae. 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. Like its relative T. tokunoshimensis, it has lost its Y chromosome and SRY gene.

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Every page naming Tokudaia osimensis in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 45527.