Sarsinebalia urgorrii Moreira, Gestoso and Troncoso, 2003

Sarsinebalia urgorrii Moreira, Gestoso and Troncoso, 2003 View in CoL

Material examined. Ireland. 1♀, Mannin Bay, Co. Galway, 53°28.3919’N 10°5.118’W, 9.9 m, sand, 16.x.2010 GoogleMaps . 2♂, 37♀ and 8 juveniles, Kingstown Bay, Co. Galway, 53°30.9829’N 10°8.22’W, 9.3 m, gravelly sand, 16.x.2010 GoogleMaps . 1♀, Ahabeg, Bantry Bay, Co. Cork, under a cage at stocked salmon farm located at 51°39.7302’N 009°45.1727’W, 20–24.5 m, mud interspersed with shelly sand, 29.viii.2013 GoogleMaps . 16♀, Ahabeg, Bantry Bay, Co. Cork, near edge of stocked salmon farm located at 51°39.7302’N 009°45.1727’W, 20–24.5 m, shelly gravel, 29.viii.2013 ( NMINH: 2016.1.6, 2♀) GoogleMaps . 2 specimens, Lough Foyle, Co. Donegal, 55°11.510’N 007°00.765’W, 9.5 m, sand with shell, 29.iii.2012 GoogleMaps . 3 specimens, Lough Foyle , 55°11.510’N 007°00.765’W, 15.6 m, sand with shell, 26.vi.2013 GoogleMaps . North Sea . 9 specimens, Osprey Field , 61°19.530’N 001°32.601’E, 159.9 m, muddy sand, 6.xii.2008 GoogleMaps . 1 specimen, Osprey Field , 61°19.249’N 001°34.643’E, 159.5 m, muddy sand, 7.xii.2008 GoogleMaps . 2 specimens, Osprey Field , 61°20.318’N 001°31.633’E, 160.1 m, muddy sand, 7.xii.2008 GoogleMaps . 2 specimens, Osprey Field , 61°19.257’N 001°34.653’E, 158.6 m, muddy sand, 7.xii.2008 GoogleMaps . 1 specimen, Osprey Field , 61°19.102’N 001°32.295’E, 159.1 m, muddy sand, 6.xii.2008 GoogleMaps . 1 specimen, Osprey Field , 61°18.626’N 001°30.998’E, 157.6 m,muddy sand, 4.xii.2008 GoogleMaps . 2 specimens, Dunlin Field , 61°12.819’N 001°30.926’E, 149.09 m, muddy sand, 9.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°12.151’N 001°41.738’E, 145.8 m, muddy sand, 11.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°15.547’N 001°39.227’E, 151.5 m, muddy sand, 11.xi.2009 ( OUMNH. ZC.2016-01-012, 1 specimen) GoogleMaps . 1 specimen, Dunlin Field , 61°16.961’N 001°33.856’E, 153.2 m, muddy sand, 11.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°12.911’N 001°30.772’E, 148.45 m, muddy sand, 9.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°12.908’N 001°30.776’E, 148.39 m, slightly gravelly muddy sand, 9.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°12.921’N 001°30.438’E, 148.9 m, muddy sand, 9.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°13.140’N 001°30.883’E, 148.4 m, muddy sand, 8.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 61°15.052’N 001°33.887’E, 149.9 m, slightly gravelly muddy sand, 8.xi.2009 GoogleMaps . 2 specimens, Dunlin Field , 61°14.780’N 001°33.292’E, 149.1 m, slightly gravelly muddy sand, 8.xi.2009 GoogleMaps . 1 specimen, Dunlin Field , 60°46.631’N 001°33.047’E, 141.4 m, muddy sand, 20.v.2010 GoogleMaps . 1 specimen, Glenlivet Field , 61°04.600’N 002°05.420’W GoogleMaps , 435 m. 1 specimen, Staffa Field , 60°44.490’N 001°35.349’E, 135.5 m, muddy sand, 17.ix.2009 GoogleMaps . 2 specimens, Staffa Field , 60°49.431’N 001°30.370’E, 134.9 m, muddy sand, 20.v.2010 GoogleMaps . 3 specimens, Staffa Field , 60°47.964’N 001°31.698’E, 138.7 m, muddy sand, 20.v.2010 GoogleMaps . 1 specimen, Staffa Field , 60°44.405’N 001°34.707’E, 138.6 m, muddy sand, 16.v.2010 GoogleMaps . 2 specimens, Staffa Field , 60°45.327’N 001°34.281’E, 139.3 m, muddy sand, 17.v.2010 GoogleMaps . 1 specimen, Staffa Field , 60°47.964’N 001°31.697’E, 138.7 m, slightly gravelly muddy sand, 20.v.2010 ( OUMNH. ZC.2016-01-011, 1 specimen) GoogleMaps . 1 specimen, Staffa Field , 60°46.631’N 001°33.047’E, 141.4 m, muddy sand, 20.v.2010 GoogleMaps . 1 specimen, Staffa Field , 60°50.390’N 001°29.613’E, 134.4 m, slightly gravelly muddy sand, 20.v.2010 GoogleMaps . 7 specimens, Staffa Field , 60°50.390’N 001°29.612’E, 134.35 m, slightly gravelly muddy sand, 20.v.2010 GoogleMaps . 1 specimen, Staffa Field , 60°49.431’N 001°30.370’E, 134.9 m, slightly gravelly muddy sand, 20.v.2010 GoogleMaps . 1 specimen, Staffa Field , 60°47.964’N 001°31.698’E, 138.7 m, slightly gravelly muddy sand, 20.v.2010 GoogleMaps . 7 specimens, Dunbar Field , 60°37.700’N 001°39.200’E GoogleMaps , 145 m. 2 specimens, Braemar Field , 58°58.991’N 001°27.840’E, 118 m, sandy mud, 21.xi.2012 GoogleMaps . 1 specimen, Braemar Field , 58°58.360’N 001°26.961’E, 124 m, MDAC mud and shell, 21.xi.2012 GoogleMaps . 1 specimen, Goldeneye Field , 57°58.921’N 000°23.452’W, 122 m, muddy sand, 15.i.2010 GoogleMaps . 1 specimen, Nelson Field , 57°56.500’N 001°36.683’E, 95 m, muddy sand, 12.xii.2013 GoogleMaps . Scotland. 1 specimen, Bring Head, Hoy , Orkney, 58°53.702’N 003°15.115’W, 23 m, sand, 17.i.2012 ( OUMNH. ZC.2016-01-010) GoogleMaps . 1 specimen, Bring Head, Hoy , Orkney, 58°54.050’N 003°16.191’W, 20 m, sand, 17.i.2012 GoogleMaps . 1 specimen, Bring Head, Hoy , Orkney, 58°53.702’N 003°15.115’W, 23 m, sand, 17.i.2012 GoogleMaps . 1 specimen, Bring Head, Hoy , Orkney, 58°53.765’N 003°15.115’W, 21.8 m, sand, 19.ix.2013 GoogleMaps . 1 specimen, Bring Head, Hoy , Orkney, 58°54.050’N 003°16.191’W, 19 m, sand, 19.ix.2013 GoogleMaps . 1 specimen, Kirkwall Bay , Orkney, 59°00.864’N 002°57.872’W, 11 m, 25.v.2014 GoogleMaps . 5 specimens, Kirkwall Bay , Orkney, 59°02.014’N 002°59.722’W, 13 m, 25.v.2014 GoogleMaps . 1 specimen, Kirkwall Bay , Orkney, 58°59.729’N 002°49.951’W, 19 m, 25.v.2014 GoogleMaps . 3 specimens, Bell Rock , 56°27.000’N 002°10.000’W, 53 m, 24.iv.1989 GoogleMaps [specimen previously cited by O’Reilly et al. (2001) as S. typhlops ]. 1 specimen, Girvan Mains , 55°15.780’N 004°51.790’W, 30.viii.2000 GoogleMaps . England. 1 specimen, Plymouth Sound , 50°20.333’N 004°10.567’W, 6.3 m, coarse sand, 30.iii.2011 GoogleMaps . 1 specimen, Padstow , Cornwall, 50°34.263’N 004°57.480’W, 11.9 m, sand with shell, 12.iii.2013 GoogleMaps . 2 specimens, Lizard Peninsula , Cornwall, 50°02.550’N 005°03.998’W, 10.5 m, muddy coarse sand, 13.vii.2014 GoogleMaps . 1 specimen, north-east Isles of Scilly, 49°56.194’N 006°16.593’W, 18.8 m, fine sand, 26.v.2013 GoogleMaps . 1 specimen, South West Deeps rMCZ, 48°58.885’N 009°08.731’W, 161 m, sand, 17.v.2013 GoogleMaps . 1 specimen, South West Deeps rMCZ, 49°08.603’N 008°54.977’W, 154 m, muddy sand, 13.v.2013 GoogleMaps . 1 specimen, eastern English Channel , 50°43.7117’N 0°34.5528’E, 24.5 m, sandy gravel, 7.vi.2015 GoogleMaps . 1 specimen, eastern English Channel , 50°26.046’N 000°48.017’E, 44.1 m, gravelly sand, 1.viii.2014 GoogleMaps . 1 specimen, eastern English Channel , 50°29.212’N 000°04.533’E, 56.8 m, gravelly sand, 4.viii.2014 GoogleMaps . 1 specimen, South Falls Disposal Ground, Outer Thames , 51°34.3416’N 1°58.3548’E, 49 m, muddy sand with clay, 2.xi.2014 GoogleMaps . 1 specimen, Liverpool Bay , 53°28.641’N 003°29.659’W, sandy gravel, 29.x.2014 GoogleMaps .

British and Irish Distribution. North, west and south-west Ireland (Co. Donegal, Co. Galway and Co. Cork), North Sea, Orkney Islands, Firth of Clyde, English Channel, Cornwall, Isles of Scilly, South West Deeps ( Fig. 2B View Figure 2 ) .

Distribution beyond the study area. Galicia, NW Iberian Peninsula (Moreira et al., 2003; 2009a). Based on the previously known distribution and the present records it seems likely that this species is also present along the west coast of France and continental southern North Sea coasts but this requires confirmation.

Ecology. Coarse sandy sediments, from very coarse sand to medium sand, at depths of 12.7–20 m,1.4–3.7% TOM ( Moreira et al., 2009a). Coarse shelly gravel to mud at depths 9.3–435 m, 9.03–14.73% TOM (present study).

Remarks. Based on the current records, S. urgorrii is the dominant species of Sarsinebalia in shallow British and Irish waters. The pigmentation of the eyes was variable in the present material ranging from dark to orange and occasionally being almost completely absent; when this was the case externally visible ommatidia were still evident. The examined material generally agreed with the description of Moreira et al. (2003) but in one female from the English Channel six spines were noted on the distolateral border of the sixth pleopod rather than four as stated in the diagnosis provided by Moreira et al. (2003). All other characters agreed well with S. urgorrii .