Common yellow-toothed cavy Common yellow-toothed cavy The common yellow-toothed cavy (Galea musteloides) is a species of rodent in the family Caviidae, closely related to the domesticated guinea pig. It is found in Argentina, Bolivia, Chile, and Peru. It's karyotype has 2n = 68 and FN = 136. "G. musteloides" is the most common and widely found member of "Galea", and is present at elevations ranging from 20 to 5000 m above sea level. It has yellow teeth. A recent study reveals there are five subspecies of "G. musteloides": "boliviensis", "demissa", "leucoblephara", "littoralis" and "musteloides". These are recognized on the basis of pelage coloration,
Spix's yellow-toothed cavy male approaches females in order to mate, it competes aggressively with other males. Spix's yellow-toothed cavy Spix's yellow-toothed cavy, "Galea spixii", is a rodent, a cavy species from South America. It is found in Bolivia east of the Andes and much of south central to northeastern Brazil. The species is found in open savanna and semiarid habitats, such as the Cerrado and Caatinga of Brazil. Its karyotype is 2n = 64 and FN = 118. "Galea spixii" and "G. musteloides" are similar and may actually be the same species. "G. spixii" tolerates a wide range of environmental changes, though they