Native to:
Alabama,
Aldabra,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Aruba,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bermuda,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central African Repu,
Central American Pac,
Chad,
Chagos Archipelago,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Comoros,
Congo,
Cook Is.,
Costa Rica,
Cuba,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
Florida,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kazan-retto,
Kenya,
Kermadec Is.,
Korea,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Line Is.,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Marquesas,
Marshall Is.,
Mauritius,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Mozambique,
Mozambique Channel I,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New South Wales,
Nicaragua,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oklahoma,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Pitcairn Is.,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Santa Cruz Is.,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Socotra,
Solomon Is.,
Somalia,
South China Sea,
Southwest Caribbean,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Togo,
Tokelau-Manihiki,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Turks-Caicos Is.,
Tuvalu,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Burundi,
Gilbert Is.,
Illinois,
Niger