Urosome segment 1 dorsal margin with 3 small teeth, segment 2 with 4 teeth each with long seta, segment 3 only with pair of long setae. Coxal plates small. Epimeral plate 3 posterodistal angle usually with large tooth, but may be quite small. Head with lateral lobes very prominent, rounded, separated from post-antennal angle by narrow cleft; eyes moderately large, rounded. Antenna 1 shorter than peduncle of 2, flagellum equal to length of peduncle; accessory flagellum very small, 2-articulate. Antenna 2 peduncle elongate, article 3 with apical tooth. Gnathopod 1 simple, densely setose, propodus shorter than carpus, dactylus small. Male gnathopod 2 basis robust and angular, carpus small, propodus very large, suboval, posterior margin concave and densely fringed with long setae, palm submarginal with median tooth and proximal spine, also with 2 or 3 distal tubercles and rounded process close to base of dactylus, dactylus curved and shorter than palm, closing along propodal margin. Female gnathopod 2 similar to 1 except slightly larger. Pereiopods 5 to 7 elongate, slender. Uropod 3 elongate, rami about equal, lanceolate, spinose. Telson deeply cleft, lobes divergent, apically spinose.
Up to 10 mm.
Pale yellow mottled with red.
Depth range from 10 to 90 metres.
North East Atlantic; European coasts from northern Norway to the atlantic coast of France.