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Table 1 A sample of locations, year and depth in meters of previous observations of H. aspera a

From: First record of Harmothoe aspera (Hansen, 1879) (Polychaeta: Polynoidae) in the Dutch North Sea

Location

Year sampled

Depth (m)

Reference

Western Mediterranean

1990’s

Unknown

(Barnich and Fiege 2000)

Coast of Iceland

1876–1878

547

(Hansen 1879)

Strait of Georgia

1973

Unknown

(Levings and McDaniel 1974)

West and East Greenland

1895–1896

200–600

(Ditlevsen 1917)

Iceland

1895–1896

Unknown

(Ditlevsen 1917)

Norway

1895–1896

Unknown

(Ditlevsen 1917)

Spitsbergen

1895–1896

Unknown

(Ditlevsen 1917)

Motovskt Bay and the open Southern Barents Sea

2006–2008

Unknown

(Anisimova et al. 2010)

Portuguese and Spanish Exclusive Economic Zone

Unknown

Unknown

(Ramos, 2010)

Trondheimfjord

Unknown

Unknown

(Fiege and Barnich 2009)

Southern Japan Sea, Oki Bank

Unknown

200–1500

(Nishimura 1966)

Skagerrak and Kattegat

Unknown

Unknown

(Nygren and Pleijel 2015)

Barents Sea

2007

266

(Hassel 2014)

Barents Sea

2007

241

(Holte 2014)

Barents Sea

2007

209

(Holte 2014)

Barents Sea

2007

264

(Holte 2014)

Barents Sea

2007

265

(Holte 2014)

Barents Sea

2007

240

(Holte 2014)

Sweden N12

2001

48

(Swedish Agency for Marine and Water Management 2015)

  1. aThere are several other records of H. aspera from North Atlantic waters occurring on a wide range of substrata in 200 to 1000 m depth (Barnich and Fiege 2009)