Invasion

Invasion Description

1st Record: OR/Coos Bay (2003, R. Emlet and J. T. Carlton, pers. comm., cited by Chang 2009, disappeared following heavy rains in 2006, but apparently reappeared later)

Geographic Extent

Newport/OR/Yaquina Bay (205, Chang et al. 2020, on fouling panels); Charlestown Boat Basin/OR/Coos Bay (2003, R. Emlet and J. T. Carlton, pers. Comm., cited by Chang 2009, disappeared following heavy rains in 2006, but apparently reappeared later); Charlestown/OR/Inner Boat Basin, Coos Bay (Onuma 2011; Chang et al. 2020); Eureka Marina/CA/Humboldt Bay (2009, Wilson 2011)