Native to:
Andaman Is.,
Assam,
Benin,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Central African Repu,
China South-Central,
China Southeast,
Comoros,
Congo,
East Himalaya,
Eritrea,
Ethiopia,
Fiji,
Gabon,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Hawaii,
Ivory Coast,
Japan,
Jawa,
Kazan-retto,
Korea,
KwaZulu-Natal,
Laos,
Liberia,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Marquesas,
Mauritius,
Mozambique,
Myanmar,
Nansei-shoto,
New South Wales,
Nicobar Is.,
Nigeria,
Niue,
Northern Provinces,
Pakistan,
Philippines,
Queensland,
Samoa,
Senegal,
Sierra Leone,
Society Is.,
South China Sea,
Sudan,
Taiwan,
Thailand,
Togo,
Tokelau-Manihiki,
Tuamotu,
Tubuai Is.,
Vietnam,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Colombia,
Ecuador,
Galápagos,
Nicaragua