Geographic location
Antarctic
4
Antarctic Peninsula
4
Gage
4
Howell
4
Indian
4
Pacific
4
Porcupine Seabight
4
Rockall Trough
Seymour
4
Seymour Island
Argentino
2
Birkeland
2
Coates
2
Darlington
2
Davidson
2
Fossa
2
Gulf of Alaska
2
Havre
2
Hudson
2
Kane
2
Kerr
2
Le Havre
2
Marambio
2
Medina
2
Metcalfe
2
Paterson
2
Perrier
2
Scotia Sea
2
Shag Rocks
2
Sinha
2
Sladen
2
South Georgia Island
2
Vincent Island
2