Native to:
Afghanistan,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Djibouti,
East Himalaya,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
India,
Iran,
Ivory Coast,
Jawa,
Kazan-retto,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesotho,
Lesser Sunda Is.,
Liberia,
Line Is.,
Madagascar,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Marshall Is.,
Mauritania,
Mauritius,
Mozambique,
Mozambique Channel I,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Nicobar Is.,
Nigeria,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oman,
Pakistan,
Panamá,
Philippines,
Queensland,
Rodrigues,
Réunion,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Uganda,
Vietnam,
Wallis-Futuna Is.,
Western Australia,
Yemen,
Zaïre
Introduced into:
Alabama,
Aruba,
Austria,
Azores,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Fiji,
Florida,
French Guiana,
Galápagos,
Gilbert Is.,
Guatemala,
Guyana,
Haiti,
Hawaii,
Honduras,
Jamaica,
Japan,
Kermadec Is.,
Lebanon-Syria,
Leeward Is.,
Louisiana,
Marquesas,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Netherlands Antilles,
New Caledonia,
New Zealand North,
Nicaragua,
Niue,
Palestine,
Peru,
Pitcairn Is.,
Puerto Rico,
Samoa,
Sardegna,
Seychelles,
Sicilia,
Society Is.,
South Carolina,
Southwest Caribbean,
Spain,
St.Helena,
Suriname,
Tokelau-Manihiki,
Tonga,
Tuamotu,
Tubuai Is.,
Tunisia,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Windward Is.