Soricidae
Author
Russell A. Mittermeier
Author
Don E. Wilson
text
2018
2018-07-31
Lynx Edicions
Barcelona
Handbook of the Mammals of the World – Volume 8 Insectivores, Sloths and Colugos
332
551
book chapter
http://doi.org/10.5281/zenodo.6870843
978-84-16728-08-4
6870843
167.
Lesser Taiwanese Brown-toothed Shrew
Chodsigoa sodalis
French:
Musaraigne sociable
/
German:
Kleine Taiwan-Braunzahnspitzmaus
/
Spanish:
Musarana de dientes marrones de Taiwan menor
Other common names:
Koshun Shrew
,
Lesser Taiwanese Shrew
Taxonomy.
Chodsigoa sodalis Thomas, 1913
,
“
Mt. Arizan
,
Central Formosa
[= Taiwan,
China
]. Alt. 8000" [=
2438 m
].”
Chodsigoa sodalis
has been confused with
Episoriculus fumidus
, another endemic in Taiwan. Distinct specific status has been supported by morphological and molecular studies. Monotypic.
Distribution.
Endemic to C Taiwan Mts.
Descriptive notes.
Head-body 65-71 mm, tail 64-73 mm, hindfoot 13-5-15 mm.; weight 4-2-5-6 g. Condylo-incisive lengths are 18-18-4 mm, and tooth rows are 7-6-8:3 mm. The Lesser Taiwanese Brown-toothed Shrew is the sole insular representative of
Chodsigoa
. Dorsal pelage is dark gray, and ventral pelage is slightly paler. Tail is solid brown, and its length about equal to head-body length. Skull is robust, with dome-shaped braincase; rostrum narrows gradually. There are three upper unicuspids. P*~M?* have more concave posterior margins, which is the generic characteristic of
Chodsigoa
. Chromosomal complement has 2n = 44 and FN = 88.
Habitat.
Montane broad-leaved forests at elevations of 600-2500 m.
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 Data Deficient on The IUCN Red List. The Lesser Taiwanese Brown-toothed Shrew is the least known shrew in Taiwan, known only from a dozen specimens.
Bibliography.
Lin Liangkong & Motokawa (2014), Motokawa et al. (1997).