Invasion information | ||
Range in Japan | Aomori and Shimane Prefs. | |
Origin | Within Japan | |
Date | Unknown. | |
Route | Accidental: Hitchhiking on seed release of Ayu sweetfish (Plecoglossus a. altivelis). | |
Impact | Potentially: Competition for bivalves as oviposition site. Native organism(s) affected: Other native bitterlings. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | None. |
Reference | Notes |
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