This crustacean is known from the Bering Sea, southern California and Korea.
In adults, the rear side corners of the tail plate extend behind the uropod attachment points.
It is known from under rocks covered by algae.
In adults, the lower margin of the propodus of the first walking leg lacks denticles on its basal third.
In adults, the eyes lie on the upper sides of the head without reaching its lateral margins.
An extinction-risk assessment has not been added yet.