This amphipod inhabits exposed sandy beaches and bays on the European Atlantic coasts.
Adult males have small eyes and pointed lateral lobes on the head.
On the European Atlantic coasts it inhabits exposed sandy beaches and bays.
In the Dutch Wadden Sea it has been collected together with Gammarus locusta.
The second antenna of adult males has dense transverse rows of setae.
In adult males, the posterior legs have very broad basal segments.
An extinction-risk assessment has not been added yet.