Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Mammals

Okinawa Spiny Rat

Tokudaia muenninki

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A rodent with stiff, spiny hairs on its back living in the Yanbaru forest of northern Okinawa Island, endemic to Japan. Its unusual chromosomes make it scientifically precious. With a tiny range and facing extinction, it is protected as one of the spiny rats.

Scientific name
Tokudaia muenninki
Group
Mammals
Prefectures
Kagoshima, Okinawa
Japanese Red List (Ministry of the Environment)
Critically EndangeredMinistry of the Environment Red List 2020
日本語
オキナワトゲネズミ
简体中文
冲绳刺鼠

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Designated as a species without a fixed area. Markers show related prefectures.

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Frequently asked questions

Yes. The Okinawa Spiny Rat is protected as a Natural Monument (1 national and 0 prefectural designations). Each designated site is listed under "Natural Monuments related to the Okinawa Spiny Rat" on this page.

The Okinawa Spiny Rat is designated as a species without a fixed area and lives in places such as Kagoshima, Okinawa.

The Okinawa Spiny Rat is listed as "Critically Endangered" in the Ministry of the Environment Red List 2020 (listed as オキナワトゲネズミ).

Animals related to the Okinawa Spiny Rat

Animals in the same group or designated in the same area.

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