452.

Dubost’s Bristly Mouse

Neacomys dubosti

French: Néacomys de Dubost / German: Dubost-Stachelreisratte / Spanish: Raton erizado de Dubost

Other common names: Dubost’s Neacomys, Dubost’s Spiny Mouse

Taxonomy. Neacomys dubosti Voss, Lunde & Simmons, 2001, Paracou [= Domaine Experimental Paracou], French Guiana. This species is monotypic.

Distribution. SE Suriname, French Guiana, and NE Brazil (Amapa and Para states).

Descriptive notes. Head-body 64-81 mm, tail 71-92 mm, ear 11-15 mm, hindfoot 19-22 mm; weight 11-19 g (mean 14 g). Dubost’s Bristly Mouse is small, distinguished from other species of Neacomys by its short, usually unicolored tail and several cranio-dental features. Dorsum is coarsely grizzled tawny brown or reddish brown, somewhat paler along sides due to mid-dorsal concentration of dark-tipped spines; venter is abruptly paler, commonly suffused to greater or lesser extent with buff or orange; broad lateral line of clear buff or orange separates dorsum and venter. Superciliary, genal, and some mystacial vibrissae extend behind pinnae when laid back against head. Dorsal surfaces of manus and pes are covered by short pale fur in most specimens. Chromosomal complement is 2n = 62 or 64, FN = 68.

Habitat. [Lowland and premontane moist broadleaf forests in the Guianan subregion of Amazonia. Dubost’s Bristly Mice were trapped in primary forest.

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 Least Concern on The IUCN Red Last.

Bibliography. Catzeflis & Tilak (2009), Patton & Catzeflis (2008a), da Silva et al. (2015), Voss et al. (2001), Weksler & Bonvicino (2015a).