Geographic location
Antarctic
4
Pacific
3
Arctic
2
Canada
2
Okhotsk
2
Tonga
2
White Sea
2
Austral
1
Bering Sea
1
Breton Island
1
Cape North
1
Cunningham Inlet
1
Gulf of Alaska
1
Gunnerus Ridge
1
Helgoland
1
Laptev Sea
1
New Zealand
1
Norway
1
Norwegian Sea
1
Onega
1
South Shetland Islands
1
The Antarctic
1
Weddell
1
Weddell Sea
1