Place
- Paraíba (Brazil : State)3
- Penobscot Bay (Me.)3
- San Francisco Bay (Calif.)3
- San Francisco Bay Area (Calif.)3
- Solano County (Calif.)3
- São Paulo (Brazil)3
- United Arab Emirates3
- Vineyard Sound (Mass.)3
- Africa2
- Antarctic Ocean2
- Channel Islands (Calif.)2
- Indian Ocean2
- Jasper Ridge Biological Preserve (Calif.)2
- Rhode Island Sound (Mass. and R.I.)2
- Woodside (Calif.)2
- Algeria1
- Andhra Pradesh, India1
- Antarctica1
- Arunachal Pradesh, India1
- Asia1