Invasion

Invasion Description

None

Geographic Extent

Usujiri, Minamikayabe-cho, Hokkaido/Japan/Pacific Ocean (1983, Sato and Nakashima 2003); Aomori Prefecture/Honshu/Kominatogawa River, Mutsu Bay (Sato and Nakashima 2003); Gamo, Sendai-shi, Miyagi Prefecture, Honshu/Japan/Nanakitagawa River (1981, Sato and Nakashima 2003)