| Invasion information |
| Range in Japan |
Details unknown. There have been some records, for example, those for P. nelsoni in small ponds in Tokyo. Whether established or not is unknown. |
|
| Origin |
North America |
| Date |
A record in Tokyo was in 2000. |
| Route |
Deliberate: Imported as pet animals. Many P. peninsularis have been imported with cheap prices. |
| Impact |
Potentially: Competition with native freshwater turtles. |
| Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
| Introduced range in other countries |
Unknown. |