Nectomys magdalenae (Thomas, 1897)

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 204-535 : 448

publication ID

https://doi.org/ 10.5281/zenodo.6707142

DOI

https://doi.org/10.5281/zenodo.6728154

persistent identifier

https://treatment.plazi.org/id/03F06D13-FF07-20CE-084C-17CE0081F7EE

treatment provided by

Carolina (2022-06-23 16:42:12, last updated 2024-11-29 05:03:06)

scientific name

Nectomys magdalenae
status

 

483. View Plate 23: Cricetidae

Magdalena Water Rat

Nectomys magdalenae View in CoL

French: Nectomys du Magdalena / German: Magdalena-Wasserratte / Spanish: Rata de agua de Magdalena

Other common names: Magdalena Nectomys, Magdalena-Cauca Water Rat

Taxonomy. Nectomys magadalenae Thomas, 1897 , “W. Cundinamarca, in lowlands near Magdalena RJiver],” Colombia .

Two subspecies are recognized.

Subspecies and Distribution.

N.m.magdalenaeThomas,1897—RioMagdalenaValley,Colombia.

N. m. grandis Thomas, 1897 — restricted to Rio Cauca Valley, Colombia. View Figure

Descriptive notes. Head-body 182-290 mm, tail 191-270 mm, ear 17-24 mm, hindfoot 46-57 mm. No specific data are available for body weight. See general characters of the genus under the Trinidad Water Rat (N. palmipes ) account. Dorsum of the Magdalena Water Ratis coarsely mixed grayish ocherous, mid-dorsal dark band is absent, and venter is ocherous gray whitish. Skull is robust and heavy, with frontal and parietal regions markedly swollen. Chromosomal complement is 2n = 32 for grandis and 2n = 34, FN = 40 for nominotypical magdalenae .

Habitat. Vegetation along rivers and streams.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. The Magdalena Water Rat is thought to be nocturnal and semi-aquatic as its congeners.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List.

Bibliography. Bonvicino & Weksler (2015), Chiquito (2015), Delgado, Gomez-Laverde & Weksler (2008), Gomez-Laverde et al. (1999), Hershkovitz (1944), Musser & Carleton (2005).

Gallery Image

458. Forest Small Rice Rat (Macroryzomys minutus), 459. Highland Small Rice Rat (Microryzomys altissimus), 460. Peruvian Rice Rat (Oreoryzomys balneator), 461. White-throated Montane Forest Rat (Drymoreomys albimaculatus), 462. Gray Rice Rat (Eremoryzomys polius), 463. Medium-tailed Rice Rat (Eremoryzomys mesocaudis), 464. Lund’s Water Rat (Lundomys molitor), 465. Paraguayan Rice Rat (Sooretamys angowya), 466. Brazilian False Rice Rat (Pseudoryzomys simplex), 467. Venezuelan Marsh Rat (Holochilus venexuelae), 468. Amazonian Marsh Rat (Holochilus sciureus), 469. Chacoan Marsh Rat (Holochilus chacarius), 470. Brazilian Marsh Rat (Holochilus brasiliensis), 471. Crafty Marsh Rat (Holochilus vulpinus), 472. Lagiglia’s Marsh Rat (Holochilus lagigliai), 473. Langguth’s Rice Rat (Cerradomys langguthi), 474. Vivo’s Rice Rat (Cerradomys vivoi), 475. Maracaju Rice Rat (Cerradomys maracajuensis), 476. Lindbergh's Rice Rat (Cerradomys scotti), 477. Akroa Rice Rat (Cerradomys akroai), 478. Marinho’s Rice Rat (Cerradomys marinhus), 479. Terraced Rice Rat (Cerradomys subflavus), 480. Goytaca Rice Rat (Cerradomys goytaca), 481. Ucayali Water Rat (Amphinectomys savamis), 482. Trinidad Water Rat (Nectomys palmipes), 483. Magdalena Water Rat (Nectomys magdalenae), 484. Western Amazonian Water Rat (Nectomys apicalis), 485. South American Water Rat (Nectomys rattus), 486. Atlantic Water Rat (Nectomys squamipes)

Gallery Image

Subspecies and Distribution. N.m.magdalenaeThomas,1897—RioMagdalenaValley,Colombia. N. m. grandis Thomas, 1897 — restricted to Rio Cauca Valley, Colombia.

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

SubOrder

Myomorpha

SuperFamily

Muroidea

Family

Cricetidae

Genus

Nectomys