Invasion

Invasion Description

1st record: CA/Redwood Creek, South San Francisco Bay (1993, Cohen and Carlton 1995). However, it was not seen since (James T. Carlton, personal communication, 2013), but then was re-discovered. Oakland Yacht Club/CA/San Francisco Bay (2014, Linda McCann, personal communication); Emeryville Marina/CA/San Francisco Bay (2014, Linda McCann, personal communication, 'buckets full)'

Geographic Extent

CA/Redwood Creek, South San Francisco Bay (1993, Cohen and Carlton 1995); Oakland Yacht Club/CA/San Francisco Bay (2014, Linda McCann, personal communication); Emeryville Marina/CA/San Francisco Bay (2014, Linda McCann, personal communication, 'buckets full)'