West coast of America in northwestern California and extending north to extreme southwestern Oregon.
Habitat depends on location of population; populations existing in the south are found in moist forests near streams while populations existing in the north are found in grassy areas. Extreme northern populations are found on moss covering rockslides. Overall, the species prefers to stay on the ground mainly under damp natural objects like rocks and logs.
Dorsum either black or black with small white flecks, larger white blotches, or yellow blotches. Can also have gray or green tinge to dorsum. Belly is black with a gray tinge. Female's head is noticeably smaller than the male's head. Does not have lungs; instead breathes through its skin and tissues in its mouth. Clutch size varies from 8-25 eggs that are held together by peduncles. Young develop fully while still enclosed in eggs and are fully developed when they hatch. Young look similar to adults with a solid black dorsum that can have green or gold elements. Yellow is apparent around the limbs.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians