Impact |
In almost part of Japan, hybridization with native carp populations. In foreign countries, damages on freshwater plants and invertebrates by predation, water degradation and increase of nutrients by resuspension of sediments, competition with native fishes including fishery resources such as perch. Native organism(s) affected: Native population of carp, in Japan. Entire freshwater community, in other countries. |
Introduced range in other countries |
Worldwide. Wide areas of Asia, Europe, Africa, N, C, & S America, Australia, and many islands (Philippine, Sri Lanka, Indonesia, New Guinea, New Zealand, Guam, Hawaii, Cuba, Dominica, Mauritius, Madagascar, Azores, etc.). |