This crustacean is known from southern California, USA, and Mexico.
In adults, the eyes are large, oval to roughly pear-shaped, and located around the middle of each side of the head.
It is common on the fronds of brown algae of the genus Sargassum.
In adults, the sides of the tail plate flare slightly to blunt rear side angles, then taper inward to a pointed tip.
In adults, the side plates of the thorax are not visible from above.
An extinction-risk assessment has not been added yet.