Invasion
Invasion Description
1st Record: Osaka/Japan/Osaka Bay (Pacific Ocean) (1976, Williams 1984, establishment unconfirmed; Iwasaki 2006)
Geographic Extent
Osaka/Japan/Osaka Bay (Pacific Ocean) (1976, Williams 1984); Hamamatsu area (Honshu)/Japan/Lake Hamana-Ko (Williams 1984)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Fisheries Intentional |