Invasion

Invasion Description

None

Geographic Extent

Honshu/Japan/Tokyo Bay (southern limit, Gillespie et al. 2012); Honshu/Japan/Tokyo Bay (1855, USNM 1700, 35.42, 139.78, U.S. National Museum of Natural History 2017); Isshiki,, Honshu/Japan/Ise Bay (1978, GBIF 2017, 34.8169N, 137.029E)