Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Muridae

Scientific Name: Maxomys wattsi
Species Authority: Musser, 1991
Common Name(s):
English Watts’s Sulawesi Maxomys, Watts's Spiny Rat
Taxonomic Notes: A distinctive species that is morphologically isolated from all other Sulawesian Maxomys, except possibly M. musschenbroekii (Musser and Carleton 2005). The relationship of this species to other species in the genus should be clarified.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(ii,iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Musser, G., Lunde, D. & Ruedas, L.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Listed as Endangered as the species has a range of less than 5,000 km2, is known from only a single location, and is undergoing a continuing decline in area of occupancy, and in area and extent of habitat.
Previously published Red List assessments:
1996 Endangered (EN)

Geographic Range [top]

Range Description: This species is found only on Gunung Tambusisi, central Sulawesi, from 1,430-1,830 m (Musser 1991; Musser and Carleton 2005).
Countries occurrence:
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is known from eleven individuals trapped on the forested slopes of Gunung Tambusisi during the period March 5-15, 1980 (Musser 1991). There is no information on current population status.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It is found in upper and lower montane forest (Musser 1991).
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threat is likely to be habitat loss due to expanding agriculture and logging activities.

Conservation Actions [top]

Conservation Actions: The only known locality is apparently in a protected area (Morowali Nature Reserve), although it is possible that it also occurs outside this protected area.

Citation: Musser, G., Lunde, D. & Ruedas, L. 2008. Maxomys wattsi. The IUCN Red List of Threatened Species 2008: e.T12906A3396009. . Downloaded on 07 October 2015.
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