Invasion information | ||
Range in Japan | Almost entire Japan | |
Origin | Unknown. | |
Date | 1960s. | |
Route | Deliberate introduction (for fishery, for miscellaneous use). | |
Impact | Predation, competition against native species. Native organism(s) affected: Fishes, aquatic plants. | |
Regulation in Japan | Import, transport and keeping are prohibited in Japan by the Invasive Alien Species Act. | |
Introduced range in other countries | Under Construction. |
Reference | Notes |
|
100 of the Japan’s Worst Invasive Alien Species |