Fróðskaparrit - 01.01.2006, Síða 145

STAKIR SJÓBJØLGAR (TUNICATA, ASCIDIACEA
OG SORBERACEA) VIÐ FØROYAR
143
f'igure 12. Ascidia virginea (from Liitzen, 1967).
Ascidia virginea Miiller, 177
Good description: Hartmeyer, 1924:78-81; Millar, 1966:
Sl.fig. 32.
Prcvious records: “Fylla", 1884: Locality not assigned
(Hartmeyer, 1924).
^IOFAR stations(numberofindividuals in parentheses):
604(1); 1377(1); 1517(1); 1548(5); 1607(2); 1613(1);
1646(2); 1799(1); 1800(1).
HlOFAR area: Scattcrcd coastal and off shore records
on the platcau cast of the islands (Fig. 5).
tø'OFAR depth range: 5-260 m.
BlOFAR temperatures: Estimated range 7.3 "C (based on
stn. 604).
OlOFAR water mass: AW.
l^orth Atlantic/Nordic Seas distribution: Svalbard; Bcar
Island; coasts of Norway; western coast of Sweden;
English Channel; westem coast of Great Britain; thc
westem coast of Ireland; Orkney; Shctland, Faroes
(Millar, 1966).
f'eneral distribution: In addition to above: The northern
part of the central Mediterranean and tlie Lusitanian
fegion.
General depth range: From shallow water to about 400
m dcpth (Millar, 1966).
ernarks: A. virginea occurs only in Western Europc;
the Arctic records are restricted to Svalbard and Bear
Island.
Genus: Ascidiella Roule, 1883
Figure 13. Ascidiella scabra. Individuals indicated
with arrows are A. aspersa (from Lutzen, 1967).
Ascidiella scabra (Miiller, 1776)
Gooddescription: Millar, 1966:58, fig. 38; Liitzcn, 1967:
83-84, fig. 32.
Previous records: "Fylla ”, 1884: Locality not assigncd
(Hartmcycr, 1924). Record from 1897 or earlier:
Hvalvík (identification by H. Jónsson in 1897, (Hart-
meyer, 1924)). “Thor” 1899: Klaksvik 20 m;
Akraleiti 274 m; north ofNólsoy 180 m (Hartmeyer,
1912). “Diana’’ 1901: Tórshavn 22-29 m (Hart-
meycr, 1924). “Diana ” 1902: Tórshavn (Hartmeycr,
1924). ”Dana ” 1927: North of Sundalagið 27-30 m
(Ámbáck-Christie-Linde, 1952).
BIOFAR stations (number ofindividuals in parentheses):
43(9); 106(1); 152(1); 205(1); 371(3); 486(1);
1122(3); 1130(2); 1218(1); 1484(1); 1555(1);
1562(1); 1607(1); 1625(1); 1637(2); 1642(1);
1663(2); 1675(1); 1710(4); 1747(1); 1750(1).