Body slender. Coxal plate 1 moderately prolonged, rounded distally. Eyes small, rounded. Antenna 1 peduncle article 1 robust, article 2 elongate and very slender, article 3 small, flagellum very slender, about 18-articulate; accessory flagellum 3 or 4-articulate. Antenna 2 much shorter than antenna 1, peduncle articles 4 and 5 about equal in length, flagellum only about 6-articulate. Male gnathopod 1 robust, basis broad with the posterodistal margin densely setose, carpus shorter than the propodus, both broad and densely setose, palm oblique with two marginal processes and a long proximal spine. Female gnathopod 1 small, propodus longer than the carpus, palm oblique, convex, delimited by a long slender spine. Male gnathopod 2 carpus only slightly longer than the propodus, both densely setose on the anterior surface, palm oblique, weakly convex, delimited by a small spine. Female gnathopod 2 slender, propodus longer than the carpus, palm short, oblique, almost straight. Pereiopods 3 and 4 dactylus almost as long as the propodus. Pereiopod 7 extremely elongate. Uropods 1 and 2 inner ramus slightly longer than the outer one; uropod 3 rami about equal in length.
Up to about 12 mm.
Whitish, with pale reddish bands.
Depth range from 20 to 375 metres.
North-East Atlantic, North sea; Arctic Ocean; European coasts from north and west Norway to north west France.