Leopoldamys siporanus

Descriptive notes. Head-body 178 - 287 mm, tail 220 - 335 mm, ear 24 - 28 mm, hindfoot 45 - 52 - 5 mm. No specific data are available for body weight. The Mentawai Archipelago Long-tailed Giant Rat is large, with coarse, short, and sleek pelage having spines throughout. Dorsum is dark blackish brown, with longer black guard hairs having white bases. Guard hairs are denser along spine and on rump, which makes rump much darker than rest of body, except blackish brown head. Venter is white and clearly demarcated from dorsum, with brown pectoral patches and brown mid-thoracic stripe. Ears are moderately long, rounded, and naked. Vibrissae are very long. Feet are dark brown on top, and hindfeet are long. Tail is c. 119 % of head-body length and blackish brown above and white or mostly white with dark brown patches below. Ears are moderately long, rounded, and naked. Vibrissae are very long. Skull is larger than that of Edwards’s Longtailed Giant Rat (L. edwardsi) and the Indomalayan Long-tailed Giant Rat (L. sabanus). There are four pairs of mammae: one pectoral, one post-axillary, and two inguinalpairs.

Sumber: Muridae