Geographic location
Arctic
8
Arctic Ocean
8
Barents Sea
8
Bering Sea
8
Bismarck
8
Chukchi Sea
8
Greenland
8
Gulf of Alaska
8
Indian
8
Kattegat
Norwegian Sea
8
Okhotsk
8
Pacific
8
Baffin Bay
4
Bali
4
British Columbia
4
Canada
4
Coastal Waters Of Southeast Alaska
4
East Siberian Sea
4
Hudson
4
Hudson Bay
4
Southern Ocean
4
Western Basin
4