Coastal southern California and northern Baja peninsula.
Found in rocky habitats alongside streams. Occasionally found in upland areas far from water source during fall and winter.
At 3-5 centimeters long, this small frog has slate grey coloration to blend well into its rocky surroundings. Its skin is bumpy and it has irregular dark grey blotching all over for camouflage. Back toes are webbed, and all toe pads are pronounced. Abdomen and undersides of legs are yellow.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians