| Invasion information |
| Range in Japan |
There were records of breeding in Tokyo and Hyogo Prefs., and occurrence in Tochigi, Chiba, Kanagawa, Aichi, Osaka, Kyoto, and Wakayama Prefs. |
|
| Origin |
Unknown. |
| Date |
Persistently occurred in 1960s to 1970s at Hyogo Prefs. Found in 1961 to 1981, in eastern Japan. |
| Route |
Deliberate: Escape or release of pet animal. |
| Impact |
Unknown impact. |
| Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
| Introduced range in other countries |
Lesser Antilles, etc. |