Invasion

Invasion Description

1st Record: Portsmouth/NH/Portsmouth Harbor (1970, Berman et al. 1992)

Geographic Extent

Portsmouth/NH/Portsmouth Harbor (1970, Berman et al. 1992); Wentworth Marina, Portsmouth/NH/Great Bay-Portsmouth Harbor (2006, Harris and Dijkstra 2007); UNH Coastal Marine Lab, Portsmouth/NH/Great Bay (2010, Massachusetts Office of Coastal Zone Management 2013)