''Pseudoeurycea mixcoatl'', commonly known as brown-streaked salamander, is a species of

salamander Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten ...

in the family Plethodontidae. 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 elsew ...

to Mexico. It is native to the

Sierra Madre del Sur The Sierra Madre del Sur is a mountain range in southern Mexico, extending from southern Michoacán east through Guerrero, to the Isthmus of Tehuantepec in eastern Oaxaca. Geography The Sierra Madre del Sur joins with the Eje Volcánico Transv ...

of Guerrero state, around the towns of Asoleadero and Carrizal de Bravo. It occurs at elevations ranging between 2,200 and 2,600 meters elevation. Its current known extent of occurrence (EOO) is 50 km². 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 oak-pine-fir cloud forest dominated by large

bromeliad The Bromeliaceae (the bromeliads) are a family of monocot flowering plants of about 80 genera and 3700 known species, native mainly to the tropical Americas, with several species found in the American subtropics and one in tropical west Africa, ...

-covered oaks. It takes daytime refuge in fallen logs. 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 ...

. The species' specific descriptor is named after Mixcoatl, a pre-Columbian deity figure among a number of central Mexican cultures such as the Otomi and Nahua. The

Classical Nahuatl Classical Nahuatl (also known simply as Aztec or Nahuatl) is any of the variants of Nahuatl spoken in the Valley of Mexico and central Mexico as a ''lingua franca'' at the time of the 16th-century Spanish conquest of the Aztec Empire. During the s ...

word ''mixcōātl'' has the meaning of "cloud serpent".

References

Pseudoeurycea Endemic amphibians of Mexico Fauna of the Sierra Madre del Sur Taxonomy articles created by Polbot Amphibians described in 1996 {{Plethodontidae-stub