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| Subspecies: | Unknown |
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| Est. World Population: | |
| CITES Status: | NOT LISTED |
| IUCN Status: | Least Concern |
| U.S. ESA Status: | NOT LISTED |
| Body Length: | |
| Tail Length: | |
| Shoulder Height: | |
| Weight: | |
| Top Speed: | |
| Jumping Ability: | (Horizontal) |
| Life Span: | in the Wild |
| Life Span: | in Captivity |
| Sexual Maturity: | (Females) |
| Sexual Maturity: | (Males) |
| Litter Size: | |
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Habitat:
The Magellanic Tuco-tuco usually inhabits open meadows of the Patagonian steppe with dense grass cover. This species constructs burrow systems 30 cm or more below the ground surface, and feeds on the roots of grasses and shrubs (Bidau 2015).
Range:
This species is endemic to extreme southern South America including southern Chile and southern Argentina (Woods and Kilpatrick 2005). It is the only species of Ctenomys to inhabit Isla Grande Tierra del Fuego. The distribution of subspecies C. m. dicki is in the extreme northwest of Riesco Island in Chile. Subspecies C. m. magellanicus is found in Última Esperanza and Magallanes region, Argentina. Subspecies C. m. fueginus is found in north, central, and east Tierra del Fuego, Argentina. Subspecies C. m. osgoodi is distributed from southwest Argentina to Aysén Province, Chile. Subspecies C. m. obscurus is found in the extreme south of Chile and Argentina, including Tierra del Fuego (de Freitas 2016).
Conservation:
This species was listed as Near Threatened in the 2000 Argentina national Red List and is listed as Vulnerable in the updated 2012 Argentina National Red List. In the Chilean country-level red list assessment (www.ssvsa.cl/especies.htm) the subspecies are classified as follows:
- Ctenomys magellanicus dicki: Extinct
- C. m. osgoodi: Endangered
- C. m. magellanicus: Endangered.