Epimeral plate 3 prolonged posteriorly, distal angle narrowly rounded. Eyes moderately large, rounded, dark red in colour. Antenna 1 about half the body length, flagellum up to 18-articulate. Antenna 2 a little shorter than antenna 1 or about equal in length, flagellum about 11-articulate. Antennae rather longer and more robust in male than in female. Gnathopod 1 merus with a prolonged posterior lobe, propodus suboval, palm oblique, delimited by two or three small spines, palmar margin and inner margin of the dactylus minutely toothed. Male gnathopod 2 very robust, merus acute distally, propodus elongate oval, palm longitudinal, setose, margin irregularly crenulate with a few distal tubercles, dactylus elongate and setose on the inner margin. Female gnathopod 2 smaller than in male, propodus less elongate, palmar margin and dactylus sparsely setose. Pereiopod 7 basis broadly rounded, merus moderately expanded with the distal angle reaching to the mid-point of the carpus. Uropod 3 peduncle elongate with five or six marginal spines, articles 1 and 2 of the ramus about equal in length. Telson oval, with two or three pairs of dorsolateral spines, apex acute.
Up to about 6 mm.
Whitish, mottled with yellow and pink.
Depth range from l0 to 150 metres; often amongst algae and hydroids. Also reported from Alcyonium digitatum .
North-East Atlantic; European coasts from northern Norway to North Africa; Mediterranean.