Myosorex eisentrauti, Heim de Balsac, 1968

Russell A. Mittermeier & Don E. Wilson, 2018, Soricidae, Handbook of the Mammals of the World – Volume 8 Insectivores, Sloths and Colugos, Barcelona: Lynx Edicions, pp. 332-551 : 550

publication ID

https://doi.org/ 10.5281/zenodo.6870843

DOI

https://doi.org/10.5281/zenodo.6870577

persistent identifier

https://treatment.plazi.org/id/3D474A54-A0B0-87DC-FF24-A6081AABF9C3

treatment provided by

Felipe

scientific name

Myosorex eisentrauti
status

 

446. View Plate 25: Soricidae

Eisentraut’s Mouse Shrew

Myosorex eisentrauti View in CoL

French: Musaraigne d’Eisentraut / German: Eisentraut-Mausspitzmaus / Spanish: Musarafna ratén de Eisentraut

Taxonomy. Myosorex eisentrauti Heim de Balsac, 1968 View in CoL ,

Pic Santa Isabel , 2400 m, Fernando Po (= Bioko Island ), Equatorial Guinea.

Previously considered to include M. okuensis and M. rumpii , but both are now normally recognized as distinct species. Monotypic.

Distribution. Bioko I. View Figure

Descriptive notes. Head—body 71-82 mm, tail 37-42 mm, ear 6-7 mm, hindfoot

12-13-5 mm; weight 12-15 g. Eisentraut’s Mouse Shrew is a medium-sized shrew with soft, dense, silky-sheened pelage. Dorsum is very dark blackish brown, the hairs dark gray basally and tipped dark brown or dark chestnut brown; ventral pelage is a slightly paler dark brown, with a shot silk appearance. Ears are small and concealed by the pelage. Feet are brown with dark scales and covered in dark brown hairs; claws are sharp and relatively long. Tail is medium-length (45-55% of head-body length), covered in many short dark brown hairs, and uniformly dark brown. Females have four inguinal nipples. Braincase is high domed; I' moderately long and hooked; M? is wide. There are four unicuspids.

Habitat. Alpine grassland and lower altitude Schefflera (Araliaceae) montane forests,at elevations of ¢.3000 m and 1400-2600 m, respectively.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Critically Endangered on The IUCN Red List. Eisentraut’s Mouse Shrew has not been collected since 1968; it is known from few specimens from a very restricted range, its extent of occurrence being estimated at only c.50 km?. This species is threatened by continuing habitat degradation and invasive human activities for settlement. Further research is needed on distribution, abundance, general ecology, and threats to this species.

Bibliography. Heim de Balsac (1968b), Hutterer (2013aa), Kennerley (2016w).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Soricomorpha

Family

Soricidae

Genus

Myosorex

Loc

Myosorex eisentrauti

Russell A. Mittermeier & Don E. Wilson 2018
2018
Loc

Myosorex eisentrauti

Heim de Balsac 1968
1968
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