Common yellow-toothed cavy levels in males. Testosterone levels and aggression levels in males are not correlated. In fact females avoid above average aggressive males. 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
Muenster yellow-toothed cavy Muenster yellow-toothed cavy The Muenster yellow-toothed cavy (Galea monasteriensis) is a species of rodent in the family Caviidae. It is known only from one location in Valle Hermoso in the Bolivian Andes, at an elevation of 2557 m. Specimens from this location were shipped to Muenster, Germany in 1997 for laboratory research, where the species was recognized and described. "Galea monasteriensis" was recognized on the basis of morphological, behavioral, and reproductive differences from related species. However, its habits in the wild have not been studied. Unlike the :common yellow-toothed cavy and :Spix's yellow-toothed cavy, Muenster yellow-toothed cavy males engage in