Crocidura tansaniana


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Crocidura tansaniana
Species Authority: Hutterer, 1986
Common Name(s):
English Tanzanian Shrew

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Howell, K. & Hutterer, R.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Cox, N. (Global Mammal Assessment Team)
Listed as Endangered because its extent of occurrence is less than 5,000 km², its distribution is severely fragmented, and while it can persist in some modified areas, there is continuing decline in the extent and quality of its habitat.
2004 Vulnerable
1996 Vulnerable (Baillie and Groombridge 1996)
1996 Vulnerable
1994 Insufficiently Known (Groombridge 1994)
1990 Insufficiently Known (IUCN 1990)

Geographic Range [top]

Range Description: Crocidura tansaniana is confined to the East and West Usambara Mountains, Tanzania (Stanley et al. 2000). The species was previously known only by the holotype, but recent surveys have found this species Stanley et al. 2000). It is thought to occur at elevations of 1,500-1,800 m asl. All other forest blocks in this area have been surveyed and this species has not been found.
Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is relatively uncommon.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: C. tansaniana is found in sub-montane rainforest. It occurs in both primary forest and forest where logging has taken place previously but not recently. This species can tolerate some forms of selective logging.
Systems: Terrestrial

Threats [top]

Major Threat(s): It may be threatened by mining in the East Usambaras.

Conservation Actions [top]

Conservation Actions: This species is present in some forest reserves in the Usambaras. Further studies are needed into the threats and natural history of this species.

Citation: Howell, K. & Hutterer, R. 2008. Crocidura tansaniana. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 28 March 2015.
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