Invasion

Invasion Description

1st record confirmed: Massachusetts Maritime Academy, Bourne, MA (August 2023, Naffinger et al. 2025). Robust wild population on floating dock pontoons.

Geographic Extent

1st record confirmed: Massachusetts Maritime Academy, Bourne, MA (August 2023, Naffinger et al. 2025). Robust wild population on floating dock pontoons. Unconfirmed: Popes Island Marina, New Bedford/MA/Buzzards Bay (2013. Wells et al. 2014; but possible mis-id of Crassostrea virginica;  JT Carlton, personal communication ).