Invasion information |
Range in Japan |
Breed at Lake Kasumigaura and Lake kitaura in Ibaraki Pref., Tonegawa and Edogawa River System. Released and inhabit Ishikari river in Hokkaido Pref., Harunako Lake in Gunma Pref. and several rivers in Okayama Pref. |
|
Origin |
Continental China |
Date |
1878-1943.Establishment in Kasumigaura Lake was confirmed in 1956. |
Route |
Accidental: Hitchhiking on seed release of grass carp (Ctenopharyngodon idella) |
Impact |
Unknown impact. |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
Vietnam, Turkmenistan, Uzbekistan, USA, Mexico, Cuba, Armenia, Bulgaria, etc. |