
Fig 1

Fig 2

Fig 3

Fig 4

Fig 5
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Order : RODENTIA
Family : Muridae
Species : Maxomys rajah
Head-Body Length : Up to 23.5 cm
Tail Length : Up to 21 cm
The Rajah Spiny Rat (or
Brown Spiny Rat) inhabits lowland forest, including primary or mature
secondary forest. It is active at night, searching amongst leaf litter for
food such as fallen fruits, young shoots and insects.
Its fur is brown on the upperside and flanks, with sometimes a reddish
tinge, the belly is white, and there is a clear demarcation between the two
colours. In adults there is usually a darker midline running along the
belly.
Thicker hairs, or 'spines', occur over much of the body : these serve to
keep the animal dry, allowing moisture to be easily shaken off.
The tail is dark above and pale below (except for the end of the tail which is
pale throughout), and virtually hairless. The snout is
pointed, the limbs short and the feet long and slender.
This species always lacks a dark band around the neck, a feature which is
often present in the closely-related Red Spiny
Rat Maxomys surifer.
This species ranges from Southern Thailand, Peninsular Malaysia and
Singapore to the islands of Sumatra, Borneo and Java.
Fig 1 : Specimen from lowland, secondary forest, Singapore.
Figs 2 and 3 : Male in lowland, secondary forest at the edge of
Singapore's central forest.
Fig 4 : This species has been observed to mainly hop around the forest
floor, rather than walk or run : the hind feet both leave the ground at the
same time.
Fig 5 : Entrance to an underground burrow system in relatively loose soil: at
the surface this hole
measures 10 cm across.
References :
Baker, N. & K. Lim, (Vertebrate Study Group, Nature Society Singapore),
2012 (Reprint). Wild Animals Of Singapore. Draco Publishing and Distribution
Pte. Ltd.
Francis, C.M. 2019. A Field Guide to the Mammals of South-east Asia. Second
Edition. New Holland. 416 pp.
Lekagul, B., McNeely, J., 1977. Mammals of Thailand. Association for the
Conservation of Wildlife, Thailand. 758 pp.
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