Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Carnivora Herpestidae

Scientific Name: Crossarchus obscurus
Species Authority: F.G. Cuvier, 1825
Common Name(s):
English Common Cusimanse, Long-nosed Cusimanse, Cusimanse
French Mangouste brune

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Dunham, A., Goldman, C. & Hoffmann, M.
Reviewer(s): Duckworth, J.W. (Small Carnivore Red List Authority) and Hoffmann, M. (Global Mammal Assessment Team)
Listed as Least Concern as they are relatively widely distributed in a variety of habitats, fairly common, and present in several protected areas.
Previously published Red List assessments:
1996 Lower Risk/least concern (LR/lc)

Geographic Range [top]

Range Description: Restricted to the rainforests of south-west and south-east Guinea, Sierra Leone, Liberia, Côte d’Ivoire, and Ghana, and extending just east of R. Volta (Goldman and Dunham in press). Ranges to around 1,500 m asl on Mount Nimba in Guinea (Goldman and Dunham in press).
Countries occurrence:
Côte d'Ivoire; Ghana; Guinea; Liberia; Sierra Leone
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Common. Population density in riparian forest of Taï N.P. was estimated at 13.2 individuals/km² (Goldman and Dunham in press).
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: Found primarily in dense undergrowth of rainforest, but also in farm bush, logged forest, and plantations. In Côte d’Ivoire, also found in humid savanna zone, and in gallery forests of savanna, and in Ghana found on the Accra Plain (observed foraging in a dry open area of grassland and thicket) (Goldman and Dunham in press).
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no major threats, but they may be vulnerable to hunting in some regions (e.g., Guinea, where they were one of the most commonly trapped small carnivores; Colyn et al. 2004).

Conservation Actions [top]

Conservation Actions: They are present in several protected areas across their range, including Mt. Sangbé, Maraouhé and Comoé National Parks in Côte d’Ivoire and Western Area Forest Reserve in Sierra Leone (Goldman and Dunham in press).

Citation: Dunham, A., Goldman, C. & Hoffmann, M. 2008. Crossarchus obscurus. The IUCN Red List of Threatened Species 2008: e.T41595A10490110. . Downloaded on 06 October 2015.
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