Hydromantes Brunus, also known as the California slender salamander, is a fascinating amphibian that can be found in various regions across California. This salamander species belongs to the family Plethodontidae, which is renowned for its unique characteristics. Some synonyms for the California slender salamander include "slimy salamander," "stream salamander," "brown salamander," and "creek salamander." These names were given due to the habitat and physical features of the species. The slimy salamander name refers to its smooth and slimy skin, while creek salamander is used because of its preference for creeks and streams. The California slender salamander is a fascinating creature, and its synonyms provide insight into its habitat and unique characteristics.