Isothrix pagurus, Wagner, 1845

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Echimyidae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 552-604 : 583

publication ID

https://doi.org/ 10.5281/zenodo.6623649

DOI

https://doi.org/10.5281/zenodo.6624602

persistent identifier

https://treatment.plazi.org/id/03C5A071-FFF2-FFC6-FF09-53835003FB5E

treatment provided by

Carolina

scientific name

Isothrix pagurus
status

 

58. View Plate 35: Echimyidae

Plain Brush-tailed Rat

Isothrix pagurus View in CoL

French: Rat-épineux a queue de brosse / German: Schlichte Borstenschwanzratte / Spanish: Rata de cola de cepillo lisa

Taxonomy. Isothrix pagurus Wagner, 1845 View in CoL ,

“Borba,” Rio Madeira, Amazonas, Brazil.

This species is monotypic.

Distribution. Central Amazon Basin of Brazil (Amazonas and Para states), from the left bank of the lower Rio Negro to the mouth of the Rio Pitinga N of the Amazon River axis, and from the lower Rio Madeira to lower Rio Tapajos on the S side of the main Amazon trunk. View Figure

Descriptive notes. Head-body 170-234 mm, tail 170-233 mm. No specific data are available for body weight. The Plain Brush-tailed Rat is a small species of Isothrix . Dorsum is grizzled yellow to gray-brown from forehead to mid-back; rump and flanks are russet. Snout and area around eyes are reddish. There is no black supraorbital stripe over crown. Tail of the Plain Brush-tailed Rat is nearly equal to head-body length (96-114%); it is darker at base but becomes distinctly paler toward tip: and it completely lacks black hairs of species in the I. bistriata complex. It has the typical Isothrix craniodental characteristics. Chromosomal complement is 2n = 22 and FN = 38.

Habitat. Lowland, seasonally inundated forest, primarily blackwater or igap6 from near sea level to elevations of c.115 m. Most Plain Brush-tailed Rats have been obtained in mature rainforest, where they are arboreal and build nests in living and dead trees.

Food and Feeding. There is no information available for this species.

Breeding. There is no information available for this species.

Activity patterns. There is no information available for this species.

Movements, Home range and Social organization. There is no information available for this species.

Status and Conservation. Classified as Least Concern on The IUCN Red List. The Plain Brush-tailed Rat occurs in some protected areas. Additional studies on distribution, habitat, abundance, ecology, and conservation threats to Plain Brush-tailed Rat are needed.

Bibliography. Eisenberg & Redford (1999), Emmons (1990, 1997a, 2005), Patton & Emmons (1985), Patton et al. (2015), Tate (1935), Thomas (1888), Trouessart (1897 1904), Wagner (1845), Woods (1993), Woods & Kilpatrick (2005).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

SubOrder

Hystricomorpha

InfraOrder

Hystricognathi

Family

Echimyidae

Genus

Isothrix

Loc

Isothrix pagurus

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier 2016
2016
Loc

Isothrix pagurus

Wagner 1845
1845
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