Geographic location
Drake Passage
Antarctic
21
Southern Ocean
11
Antarctic Peninsula
10
Weddell
6
Weddell Sea
6
The Antarctic
5
Bransfield Strait
4
Pacific
4
Palmer Deep
4
Marsden
3
Bellingshausen Sea
2
Adelaide Island
1
Agulhas Basin
1
Amundsen Sea
1
Anvers
1
Anvers Island
1
Arctic
1
Argentine
1
Atka
1
Barents Sea
1
Coulter
1
Faraday
1
Filchner Trough
1
Greenland
1
Norway
1
Petersen
1
Prydz Bay
1
Scotia Sea
1