SIZE: 6-12 in. max. 14 1/2 in.
DISTINCTIVE FEATURES: 1. Dark crescent-shaped marking on tail near base followed by large spot form "C-O". 2. Usually dark prominent midbody spot with pale patch behind. 3. Large, protruding bulbous eyes near tip of snout.
Mottled, spotted and blotched in rich shades of brown with occasional white spots. Occasional S. California to SE Alaska.