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)