Fróðskaparrit - 01.01.1998, Page 101

DECAPODA NATANTIA (CRUSTACEA) í FØROYSKUM ØKI
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Fig. 20. Lebbeus polaris (Sabine), length usually up to
70 mm, max. 90 mm (From Smaldon, 1995).
Mynd 20. Lebbeus polaris (Sabine), longd vanliga upp
í 70 mm, í mesta lagi 90 mm (Ur Smaldon, 1995).
Genus Lebbeus White, 1847
Lebbeus polaris (Sabine, 1824) (Fig. 20)
Synonyms: Hippolyte polaris Krøyer (1842);
Hippolyte borealis Krøyer (1842); Spirontocaris
polaris Hansen (1908).
Good descriptions: Dons (1915: 35, fig. 4); Greve
(1963: 35, fig. 1E).
Previous records: »Ingolf«-Expedition: Stn 1, 62° 30’
N, 8° 21’ W, 248 m, 7.2 °C, 4 specimens; Stn 138, 63°
26’ N, 7° 56’ W, 887 m, -0.6 °C, one specimen;
Tórshavn; Sandavágur (Hansen, 1908). »Michael
Sars«: Stn 284 (1904), 58° 21’ N, 4° 30’ W, 292 m, 5.9
°C (Grieg, 1927). »Dana«: Stn 6001 (24 July 1938),
63° 33’ N, 11° 25’ E, 322 m, 14 specimens. 62° 04.4’
N, 6° 13’ W, 104 m, 3 specimens, leg. E. Ursin (27
September 1946); 62° 05’ N, 6° 15’ W, 105 m, 12
specimens, leg. E. Ursin (9 October 1946). Klaksvik, ?
m, one specimen, leg. Samuel Petersen (September
1948). »Hvidbjørnen«: Stn 6 (10 January 1979), 61°
25.3’ N, 5° 29.8’ W, 195 m, 6 specimens; Stn 24 (21
January 1979), 61° 00.3’ N, 8° 48.9’ W, 105-100 m,
one specimen (Rømer, 1991). Berggren (1994) found it
between 0 and 20 m depth in the phytal zone at 11
localities (Gjógv, Oyndarfjørður, Grønskriðudrangur,
Vestmanna, Leynar, Stórafles, Hoyvík, Hvannhólmur,
Stigagjógv, Øravík and Akratangi).
BIOFAR stations: 6, 7, 27, 28, 29, 32,41, 44, 51, 56,
62, 65, 73, 89, 100, 115, 174, 234, 271, 281, 282, 287,
288, 292, 321, 328, 353, 354, 357, 359, 373, 382, 411,
417,453,474,475,476, 604, 690, 716, 726, 728, 762,
808, 809, 9006.
BIOFAR 2 stations: 1388, 1452, 1517, 1551.
Areas: Lousy Bank, Bill Baily Bank, Faroe Bank, the
Faroe plateau, Faroe-Iceland Ridge.
Depth range: 0-894 m, juveniles in shallow water,
adults in deep water.
Temperature: measured at 6 stns, range -0.6 to 7.9 °C;
estimated range -1 to 9.6 °C.
Breeding: Ovigerous females have been taken in
January.
Water masses: AW (40 stns), AW/AI (12 stns), AI (4
stns), AI/NW (2 stns), and NW (2 stns).
Atlantic distribution: Circumpolar; southwards to
Skagerrak, Shetland and the Faroes; Jan Mayen
(Hansen, 1908); around Iceland (Stephensen, 1939);
East Greenland (Stephensen, 1939); West Greenland
from 82° N (Stephensen, 1935) to Chesapeake Bay
(Smaldon etal., 1993).
Atlantic depth range: 0-930 m, juveniles in shallow
water, adults in deep water, hyperbenthic.
Fig. 21. Spirontocaris lilljehorgi (Danielssen), length
up to 74 mm (From Christiansen, 1972).
Mynd 21. Spirontocaris lilljeborgi (Danielssen), longd
upp í 74 mm (Ur Christiansen, 1972).
Genus Spirontocaris Bate, 1888
Spirontocaris lilljeborgi (Danielssen,
1859) (Fig. 21)
Synonyms: Hippolyte Lilljeborgi Danielssen (1859);
Hippolyte securifrons Norman (1862a, 1862b);
Spirontocaris securifrons Norman (1894);
Spirontocaris spinus var. Lilljeborgi Kemp (1910).
Good description: Kemp (1910: 103, pl. XIV, figs 2-10
as Spirontocaris spinus var. Lilljeborgi).
Previous records: »Dana«: Stn 6001 (24 July 1938),
63° 33’ N, 11° 25’ W, 322 m, one specimen; Stn 6017
(30 July 1938), 62° 02’ N, 5° 13’ W, 220 m, one
specimen. 62° 05’ N, 6° 15’ W, 102 m, 5 specimens,
leg. E. Ursin (9 October 1946). »Hvidbjømen«: Stn 6
(10 January 1979), 62° 25.3’ N, 5° 29.8’ W, 195 m, 2