Geographic location
Bering Sea
Milton
18
New Zealand
18
Pacific
18
Yukon
18
Baja
6
Gulf of Alaska
6
Arctic
4
Arctic Ocean
4
Canada
4
Galapagos
4
Indian
4
Nakaya
4
Okhotsk
4
Adak
2
Akureyri
2
British Columbia
2
Chukchi Borderland
2
Kamchatka Peninsula
2
Laptev Sea
2
Mid-Atlantic Ridge
2
Navarin
2
Ramirez
2
Randall
2
Rivera
2
Romeo
2
Scripps
2