Murina ryukyuana

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	VESPERTILIONIDAE

Scientific Name:

Murina ryukyuana

Species Authority:

Maeda & Matsumura, 1998

Common Name/s:

English

–

Ryukyu Tube-nosed Bat

Assessment Information [top]

Red List Category & Criteria:

Endangered B1ab(i,ii,iii) ver 3.1

Year Published:

2008

Assessor/s:

Maeda, K.

Reviewer/s:

Hutson, A.M., Racey, P.A. (Chiroptera Red List Authority) & Chanson, J. (Global Mammal Assessment Team)

Contributor/s:

Justification:
Listed as Endangered because this forest-dependent species occurs only on three small islands, all of which have experienced past and present deforestation.

History:

2000

–

Data Deficient

Geographic Range [top]

Range Description:	This species is endemic to Japan, and is found only on the islands of Okinawa, Tokuno-shima, and Amami-Oshima (Abe, et al., 2005). This species was first discovered in 1996.
Countries:	Native: Japan
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	There have been ten records from the northern part of Okinawa. Twenty surveys have been conducted since 1992 on Okinawa and Tokuno-shima. There was one survey in 2000 on Amami-oshima on three nights, and three individuals were found. Previously, there were not many surveys for this species. It appears that this species occurs at a low density when compared with congeneric species.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	The species is dependent on mature forest. They roost in tree hollows.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	There is deforestation on all three islands which is affecting the species, as it is dependent on mature, intact forests.

Major Threat(s):

There is deforestation on all three islands which is affecting the species, as it is dependent on mature, intact forests.

Conservation Actions [top]

Conservation Actions:	Some parts of Amami-oshima are protected in forest reserves (through the federal forest department and the prefecture). It is listed as Endangered (EN) in the Japanese Red List (2007).

Conservation Actions:

Some parts of Amami-oshima are protected in forest reserves (through the federal forest department and the prefecture). It is listed as Endangered (EN) in the Japanese Red List (2007).

Citation:	Maeda, K. 2008. Murina ryukyuana. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 23 May 2013.
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