Invasion information |
Range in Japan |
Okutamako (Tokyo), Ashinoko (Kanagawa), Fuji Five Lakes (Yamanashi), Horaiko (Aichi), and Biwako (Shiga) Lakes. |
|
Origin |
Within Japan. According to DNA analysis, Biwako Lake population was from region along Sea of Japan coast, whereas Ashinoko and Fuji Five Lakes populations were from Kanto District. |
Date |
Unknown. |
Route |
Unknown. |
Impact |
Competition against native species. Native organism(s) affected: Fishes. |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
None. |