Ocean (marine/brackish) or Continent (freshwater):
Africa-Inland Waters [1] America, North - Inland waters [2] America, South - Inland waters [3] Asia - Inland waters [4] Europe - Inland waters [5] Oceania - Inland waters [6] Former USSR - Inland waters [7] Antarctica - Inland waters [8] Arctic Ocean [18] Atlantic, Northwest [21] Atlantic, Northeast [27] Atlantic, Western Central [31] Atlantic, Eastern Central [34] Mediterranean and Black Sea [37] Atlantic, Southwest [41] Atlantic, Southeast [47] Atlantic, Antarctic [48] Indian Ocean, Western [51] Indian Ocean, Eastern [57] Indian Ocean, Antarctic [58] Pacific, Northwest [61] Pacific, Northeast [67] Pacific, Western Central [71] Pacific, Eastern Central [77] Pacific, Southwest [81] Pacific, Southeast [87] Pacific, Antarctic [88] All areas (World total) [99]
Territory: Adelaide Island Adélie Land Admiralty Islands Afghanistan Åland Islands Alaska Albania Algeria American Samoa Amsterdam Island Andaman and Nicobar Islands Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Ascension Island Australia Austria Azerbaijan Azores Islands Bahamas Bahrain Balleny Islands Bangladesh Barbados Bassas da India Shoal Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bonaire, Sint Eustatius, Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Antarctic Territory British Indian Ocean Territory British Virgin Islands (GB) Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Canary Islands Cargados Carajos Shoals Caroline Island Cayman Islands Central African Republic Chad Chagos Islands Channel Islands Chatham Islands Chile China Christmas Island Clipperton Island Cocos / Keeling Islands Cocos Island (C.R.) Colombia Comoros Congo (Brazzaville) Congo (Kinshasa) Dem. Rep. Cook Islands Costa Rica Côte d'Ivoire / Ivory coast Croatia Crozet Islands Cuba Curaçao Cyprus Czechia Denmark Desventuradas Islands Djibouti Dominica Dominican Republic Easter Island Ecuador Egypt Elephant Island England and Wales (UK) Equatorial Guinea Eritrea Estonia Eswatini / Swaziland Ethiopia Europa Island Falkland / Malvinas Islands Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Galápagos Islands Gambia Georgia Germany Ghana Gibraltar Global Glorieuses Islands Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Hawaii Heard and McDonald Islands Holy See / Vatican City State Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy Jamaica Jan Mayen Island Japan Jersey Johnston Island Jordan Juan de Nova Island Juan Fernández Islands Kazakhstan Kenya Kerguelen Islands Kermadec Islands Kiribati Korea (North) Korea (South) Kosovo Kuril Islands Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Lord Howe Island Luxembourg Macau / Macao Macquarie Island Madagascar Madeira Islands Malawi Malaysia Maldives Mali Malta Marquesas Islands Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia Midway Islands Moldova Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands Netherlands Antilles New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Ireland (UK) Northern Mariana Islands Norway Ogasawara / Bonin Islands Oman Pacific Islands Trust Territory Pakistan Palau Palestine Panama Papua New Guinea Paraguay Peru Peter I Island Philippines Pitcairn Poland Portugal Prince Edward Islands Puerto Rico Qatar Réunion [La] Revillagigedo Archipelago Rodriguez Island Romania Russia / Russian Federation Rwanda Ryukyu Islands Saint Barthélemy Saint Helen., Asc., Trist.Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (FR) Saint Paul Island Saint Paul's Rocks Saint Pierre and Miquelon Saint Vincent and Grenadines Salvador [El] Samoa San Marino São Tomé and Príncipe Saudi Arabia Scotland (UK) Scott Island Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (NL) Slovakia Slovenia Society Islands Socotra Archipelago Solomon Islands Somalia South Africa South Georgia and Sandwich Is. South Orkney Islands South Shetland Islands South Sudan Spain Sri Lanka Sudan (North) Suriname Svalbard and Jan Mayen Islands Sweden Switzerland Syria Taiwan / Chinese Taipei Tajikistan Tanzania Thailand Timor-Leste Togo Tokelau Tonga Trindade and Martim Vaz Arch. Trinidad and Tobago Tristan da Cunha Islands Tromelin Island Tuamotu Islands Tunisia Türkiye Turkmenistan Turks and Caicos Islands Tuvalu Uganda UK Great Britain & N. Ireland Ukraine United Arab Emirates United States Minor Outlying Is Uruguay US America (contiguous states) US Miscellaneous Pacific Is. US Virgin Islands (US) Uzbekistan Vanuatu Venezuela Viet Nam Wake Island Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe
Only include species occuring above:
