Northwestern Pacific (Japan), Unalaska, Alaska, to Pacific Grove, California; intertidal to 15 m.
Outer coasts of Queen Charlotte Islands and Vancouver Island. I have taken them as far east as China Beach on southern Vancouver Island, but the only record for the Strait of Georgia is apparently Porlier Pass where they were found from 5 - 15 m (Neil McDaniel pers. comm. 1978).