Charles Darwin
Amami Spiny Rat (Tokudaia osimensis)

Amami Spiny Rat

Tokudaia osimensis

EN Endangered

Very high risk of extinction

Source: IUCN Red List

About the Amami Spiny Rat

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.

Key Facts

  • Endangered - this species needs our protection.
  • Rarely spotted - fewer than 100 recorded observations!

Classification

Frequently Asked Questions

What is the scientific name of the Amami Spiny Rat?

The scientific name of the Amami Spiny Rat is Tokudaia osimensis.

Is the Amami Spiny Rat endangered?

The Amami Spiny Rat is classified as Endangered on the IUCN Red List.

How many Amami Spiny Rat sightings have been recorded?

19 observations of the Amami Spiny Rat have been recorded on iNaturalist.

19 observations on iNaturalist
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