Lysianassa plumosa

Boeck, 1871

Description:
Coxal plates 1 to 4 elongate and forming a regular shield, plate 1 broadly produced anteriorly; epimeral plate 3 posterodistal angle with a large upturned tooth. Head with prominent lateral lobes, rather narrower in male than in female; eyes very large, oval to kidney-shaped, purple or brown. Antenna 1 peduncle article 1 broad, articles 2 and 3 not compressed, flagellum equal to, or a little shorter than the length of the peduncle, up to about 10-articulate; accessory flagellum 3 or 4-articulate. Antenna 2 in female slender, about equal to the length of antenna 1, flagellum short, about 8-articulate; antenna 2 in male longer than the body, flagellum very slender, filiform, with calceoli. Gnathopod 1 simple, basis robust, setose, propodus and carpus about equal, propodus tapering distally, inner posterior margin with several short spines, dactylus small. Gnathopod 2 very slender, minutely subchelate, propodus broad and a little shorter than the carpus. Pereiopods 3 and 4 robust, setose, in male setae plumose. Uropod 1 elongate, weakly spinose; uropod 2 inner ramus constricted distally; uropod 3 peduncle broad, inner ramus a little shorter than the outer one, rami naked in female, inner margins with plumose setae in male. Telson oval, entire, distal margin straight or weakly convex.

Size:
Up to about 12 mm.

Colour:
Pale yellow with an orange tinge, or pinkish with large yellowish brown patches.

Habitat:
Depth range from 10 to 800 metres.

Distribution:
North-East Atlantic, North Sea; European coasts from from Haugesund and Shetlands to the western Mediterranean, and North Africa to Senegal.

%LABEL% (%SOURCE%)