Invasion
Invasion Description
1st Record? Hokkaido/Japan/Akkeshi Bay (Conlan 1990)
Geographic Extent
Hokkaido/Japan/Akkeshi Bay (Conlan 1990); off Sendai/Japan/Pacific Ocean (1994, Sano et al. 2003, 38, 25, 20 N, 141, 37, 22 E)
Vectors
Level | Vector |
---|---|
Alternate | Ballast Water |
Alternate | Hull Fouling |