Tokudaia osimensis (Abe 1933)
- Dataset
- Muridae
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Chordata
- class
- Mammalia
- order
- Rodentia
- family
- Muridae
- genus
- Tokudaia
- species
- Tokudaia osimensis
activity
Activity patterns. Amami Spiny Rats are terrestrial and probably nocturnal.
biology_ecology
Habitat. Broadleaf secondary forest with chinquapins (Castanopsis, Fagaceae).
biology_ecology
Movements, Home range and Social organization. No information.
breeding
Breeding. Reproduction occurs during October-December. Litter size is 1 - 7.
conservation
Status and Conservation. Classified as Endangered on The IUCN Red List owing to its small range, habitat degradation, predation by domestic dogs, cats, and introduced mongoose (Herpestes auropunctatus), and competition with the Roof Rat (Rattus rattus).
description
Descriptive notes. Head-body 103 - 160 mm, tail 83 - 5 — 135 mm, ear 22 - 23 mm, hindfoot 28 - 8 - 34 mm. No specific data are available for body weight. Dorsal pelage is orange-tinged dark brown, with white to gray underparts. Long hairs around mouth and eyes extend to 30 mm. Pelage is dense and long, with gray spiny hairs of 20 mm ending with black tip. Tail is shortish (60 - 100 % of head-body length). Females bear two pairs of mammae. Chromosomal complement has 2 n = 25, FN = 46.
discussion
Morphology and cytogenetics of 1. osimensis were reviewed by Y. Kaneko in 2001 and by H. Endo and K. Tsuchiya in 2006. Monotypic.
distribution
Distribution. Amami Oshima (Ryukyu Is), S Japan.
food_feeding
Food and Feeding. Diet consists of seeds of chinquapins, sweet potatoes, and ants and their larvae.
materials_examined
Sumiyo, Mt. Kiyago-kan, Amami- oshima, Ryukyu Iskands, Japan.
Name
- Synonyms
- Rattus jerdoni subsp. osimensis Abe 1933
- Homonyms
- Tokudaia osimensis (Abe 1933)
- Common names
- Amami Oshima Spiny Rat in 英文
- Amami Spiny Rat in 英文
- Amami-Inselstachelratte in 德語
- Mulot dAmami in 法文
- Rata espinosa de Amami in language.
- Ryukyu Spiny Rat in 英文