| Invasion information | ||
| Range in Japan | Tanzawako (Kanagawa), Kasumigaura and Kitaura (Ibaraki) Lakes. |
|
| Origin | Buenos Aires, Argentine | |
| Date | 1966 | |
| Route | Deliberate: For aquaculture | |
| Impact | Unknown impact. | |
| Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
| Introduced range in other countries | Israel, Italy, Bolivia, Peru, etc. | |
| Reference | Notes |
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