The Pacific degu (''Octodon pacificus''), also known as the Mocha Island degu, is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...

in the family

Octodontidae Octodontidae is a family of rodents, restricted to southwestern South America. Fourteen species of octodontid are recognised, arranged in seven genera. The best known species is the common degu, ''Octodon degus''. Octodontids are medium-sized ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

Mocha Island Mocha Island ( es, link=no, Isla Mocha ) is a small Chilean island located west of the coast of Arauco Province in the Pacific Ocean. The island is approximately in area, with a small chain of mountains running roughly in north-south direction. ...

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

is subtropical or tropical moist lowland forests. It is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

. It was classified in 1994 by Dr. Rainer Hutterer. Like its close relative the

common degu The common degu (''Octodon degus''; ), or, historically, the degu, is a small hystricomorpha rodent endemic to the Chilean matorral ecoregion of central Chile. The name ''degu'' on its own indicates either the entire genus ''Octodon'' or, more ...

, the Mocha Island degu is diurnal (active during the day). This species is said to have relatively primitive octodontid features, including long fur and a tail lacking a substantial tuft, a feature common amongst other octodons.

References

Octodon Mammals of Chile Mammals described in 1994 Taxonomy articles created by Polbot Endemic fauna of Chile {{rodent-stub