Invasion

Invasion Description

1st Established Record: Richmond Marina/CA/San Francisco Bay (2001, Blum et al. 2007, no further ecords)
1st record: Mare Island/CA/San Francisco Bay (failed) (1929, Carlton 1979, bottom of USS Narwhal, submarine)

Geographic Extent

Richmond Marina/CA/San Francisco Bay (2001, Blum et al. 2007); Mare Island/CA/San Francisco Bay (failed, 1929, Carlton 1979); Ballena Island Marina, Alameds/CA/San Francisco Bay (2015, Ruiz and Geller 2018); Oak;land Yacht Club/CA/San Francisco Bay (2015, Ruiz and Geller 2018); CA/San Francisco (2015, Ruiz and Geller 2021)