Invasion

Invasion Description

1st record: Coos Bay/OR/upper Coos Bay (1987, Carlton 1989; Wonham and Carlton 2005)

Geographic Extent

WA/Beardslee Slough (1999, Wilson and Partridge 1999); Port of Bay Center/WA/Willapa Bay (2000, Cohen et al. 2001); WA/Stackpole Slough, Willapa Bay (2000, Cohen et al. 2001); WA/Nahcotta Small Boat Basin, Willapa Bay (2000, Cohen et al. 2001); Round Island/WA/Willapa Bay (2000, Cohen et al. 2001); OR/Tillamook Bay (2003, Berkenbusch and Rowden 2007); OR/Netarts Bay (2003, Berkenbusch and Rowden 2007); OR/Yaquina Bay (2003, Berkenbusch and Rowden 2007); Coos Bay/OR/upper Coos Bay (1987, Carlton 1989; Wonham and Carlton 2005); CA/Mad River Sloughs, Humboldt Bay (2000, Boyd et al. 2002; 2011, California Department of Fish and Wildlife 2014); south of Eureka Marina/CA/Humboldt Bay (2000, Boyd et al. 2002); Southport Landing/CA/Humboldt Bay (2000, Boyd et al. 2002); CA/Hookton Slough, Humboldt Bay (2000, Boyd et al. 2002); ; Woodley Island/CA/(Humboldt Bay) (2000, Boyd et al. 2002);