Lucicutia polaris Brodsky, 1950
Caudal rami are 16 times longer than wide in females. The endopodite of P1 two-segmented. Endopodite of P5 in females is three-segmented.
The back strongly arched from side view. A1 with very long and numerous aesthatascs and are longer than the body by 1.5-2 last segments. Abdomen is shorter than the cephalothorax by 1.66 times. The genital segment is somewhat shorter than the combined length of the next 3 segments. Caudal rami extremely long and thin, only slightly shorter than the abdomen, are slightly asymmetrical (the left ramus is longer).
Exopodite and endopodite of A2 almost equal in length.
Rostrum composed of 2 relatively wide, wedge-shaped filaments, which are separated from the strongly protruding base.
Endopodite of A1 2-segmented.
The inner chaeta of the exopodite of P5 non-plumose, somewhat longer than the width of the segment. The second basipodite with a curved cheata on the outer edge.
Female: 3,10-4,20 mm
Male: 3,25-4,20 mm
Ecology and Distribution
Arctic basin, Kamchatka coast, Japan Sea
Oceanic, bathy- to abyssopelagic species