This crustacean is known from Alaska, USA, to Mexico.
In adults, the eyes are elongated and thin from top to bottom.
It often occurs on the kelp Egregia menziesii, surfgrass of the genus Phyllospadix, and algae-covered rocks.
In adults, the side plates of thoracic segments two to seven are contiguous with each other.
In adults, the maxillipedal palp has five segments, with the last much smaller than the preceding segment.
An extinction-risk assessment has not been added yet.