Long-tailed mouse - Onagaji mouse

...It is found only in Japan and Jeju Island, and is very small, with a body length of 6-8 cm, a tail length of 4-4.5 cm, and a weight of 6-12 g. A closely related subspecies of the long-tailed mouse, the Watase's mouse C. horsfieldi watasei , found on Amami Oshima Island, is one of the smallest mammals in the world, with a body length of 5.5 cm. There are more than 140 closely related species in the same genus, and they are widely distributed in warm regions of Asia, Europe, and Africa.

*Some of the terminology that refers to the "long-tailed mouse" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…日本と済州島のみに分布し，体長6～8cm，尾長4～4.5cm，体重6～12gとごく小さい。近縁種のオナガジネズミの亜種，奄美大島産のワタセジネズミC.horsfieldi wataseiは，体長5.5cmで，世界最小の哺乳類の一つ。よく似た同属の近縁種は140種以上もあり，アジア，ヨーロッパ，アフリカの温暖な地方に広く分布する。…

※「オナガジネズミ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報