Eyes very large in male, small and oval in female; black in colour. Antenna 1 flagellum about 6-articulate; accessory flagellum short, only 3-articulate. Antenna 2 flagellum 2 or 3-articulate in female and equal to length of peduncle article 5, in male filiform and as long as body. Gnathopods 1 and 2 basis slender, carpus much longer than propodus and weakly setose, propodus narrowly oval, palm oblique, dactylus elongate. Pereiopods 3 and 4 carpus and propodus robustly spinose. Pereiopod 5 carpus longer than broad, slightly narrower than merus, propodus slender. Pereiopods 6 and 7 propodus equal to, or little longer than, carpus; pereiopods 5 and 6 with only few plumose setae. Uropod 1 rami usually smooth, almost straight, about equal; uropod 2 similar to 1; uropod 3 rami broad with few setae, outer ramus little longer than inner. Telson slightly longer than broad, apex of each lobe with 1 seta and 1 spine.
Up to 6 mm.
Yellow or yellowish orange, with red markings.
Depth range from 10 to 500 metres, on clay or fine sediments.
North East Atlantic; Arctic Ocean; North Sea; European coasts from north Norway to Mediterranean; Red Sea; North Africa to Senegal. Also South Africa, Mozambique.