(Norman, 1869)
Description:
Body slender and laterally flattened; pleon segments 1 to 5 each produced dorsally into a large tooth, lateral margins with smaller teeth. Coxal plates small; plate 1 acute anteriorly. Epimeral plate 3 posterodistal angle with a small tooth, posterior margin finely toothed. Head with very large protruding eyes; lateral lobes broadly rounded with small apical tooth. Antenna 1 almost as long as body, peduncle article 1 stout, article 3 very small, flagellum long and very slender; accessory flagellum rudimentary, indistinct. Antenna 2 in female little shorter than 1, peduncle article 4 little longer than 5, flagellum shorter than peduncle. Antenna 2 in male equal to length of 1, peduncle article 4 large and rather laminar, flagellum equal to length of peduncle. Antenna 1 and 2 in male with adjacent peduncle margins finely setulose. Gnathopod 1 carpus elongate, tapering distally, densely setose; propodus narrowly oval and much smaller than carpus, setose, palm not defined, dactylus slender. Gnathopod 2 longer than 1, carpus and propodus elongate, slender, with groups of long marginal setae, palm indistinct, dactylus small. Pereiopods 3 and 4 extremely slender, carpus and propodus about equal, dactylus very small. Pereiopods 5 to 7 more robust. Pereiopod 5 basis with posterodistal angle acute. Uropods 1 and 2 spinose, outer ramus little shorter than inner; uropod 3 extremely elongate, spinose, rami about equal and little longer than peduncle. Telson cleft beyond half length, each lobe apically acute with single long seta and several small lateral setules.
Size:
Up to 8 mm.
Colour:
Red, mottled with white.
Habitat:
Depth range from 10 to 200 metres.
Distribution:
North Atlantic, American and European coasts; North Sea; Atlantic coast of Europe from southern Norway; also North Africa, south to Senegal.