Distinguishing characters: A cryptically colored species, often resembling
granitic stones; grey or light brown on dorsum with darker blotches;
whitish venter; yellow on undersides of legs, groin and lower abdomen; conspicuous toe webbing and pads;
dorsal skin roughened-warty.
Juveniles: Similar to adults.
Dimorphism: Male has dusky-yellow throat.
Additional notes: A species most likely to occur along streams with abundant
boulders and cobbles in channel. Distribution spotty and localized. Easily handled.