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Overview

Distribution

Range Description

This species is widespread throughout southern China and south-east Asia. It is known from Okinawa Island, Japan (it is not known whether this population was introduced (Abe et al. 2005)) to Taiwan, Province of China, southern China (Yunnan, Guizhou, Guangxi, Guangdong, Fujian, Hainan Island, and Hong Kong provinces) (Smith and Xie 2008), Viet Nam, Lao PDR, Cambodia, and Thailand (Musser and Carleton 2005). It has also been recorded from the Malay Peninsula, and in Indonesia in Sumatra, Java, Madura and Flores Islands in Nusa Tenggara; all places where they may possibly have been inadvertently introduced (Musser and Newcomb 1983), but they may also represent relictual populations (although those on Flores are definitely introductions). The spotty distribution of this species on the Sunda Shelf is best explained by inadvertent human introductions (Musser and Newcomb 1983).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species inhabits grasslands, scrub and secondary growth as well as other grassy agricultural fields such as rice paddies where it feeds on seeds and invertebrates (Smith and Xie 2008). They are mainly active at night, although they sometimes also are active for brief periods during the day (Smith and Xie 2008).

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

Observations: Little is known about the longevity of these animals, but one specimen lived 3.3 years in captivity (Richard Weigl 2005).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Aplin, K. & Lunde, D.

Reviewer/s
Smith, A.T. & Johnston, C.H. (Global Mammal Assessment Team)

Contributor/s

Justification
This species is listed as Least Concern because of its wide distribution, presumed large population, occurrence in protected areas, tolerance to some degree of habitat modification, no known major threats, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

History
  • 1996
    Lower Risk/least concern
    (Baillie and Groombridge 1996)
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Population

Population
It is patchily distributed but locally abundant in suitable habitat (Aplin and Lunde 2006).

Population Trend
Stable
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Threats

Major Threats
There are no major threats to the species throughout its range.
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Management

Conservation Actions

Conservation Actions
This species probably occurs in several protected areas throughout its range. In China, it occurs in Changshanerhai and Tongbiguan Nature Reserves (CSIS 2008). Research should be conducted to determine the status of a potentially distinct species in central Myanmar. In China, this species has been regionally Red Listed as Least Concern (Wang and Xie 2004).
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Wikipedia

Ryukyu mouse

The Ryukyu mouse (Mus caroli) is a species of rodent in the family Muridae. It is found in Cambodia, China, Indonesia, Japan, Laos, Malaysia, Taiwan, Thailand, and Vietnam.

References[edit]

  • Baillie, J. 1996. Mus caroli. 2006 IUCN Red List of Threatened Species. Downloaded on 19 July 2007.
  • Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.


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