Invasion information |
Range in Japan |
Almost entire Japan |
|
Origin |
Biwako Lake and Osaka, Japan |
Date |
Introduction to Kasumigaura Lake was in 1930-1931. |
Route |
Deliberate: For fishery and sports fishing (often recognized as “Hera-buna” in sports fishing). |
Impact |
Unknown impact. Native organism(s) affected: |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
Introduced from Japan to South Korea and China in 1970s. Also from Japan to Taiwan, in unknown period. |