Invasion
Invasion Description
1st Record: Everett/WA/Steamboat Slough (Puget Sound) (1940, Banse 1979, 48 02 10N, 122 02 50W)
Geographic Extent
Bunswick Point & Westman Island/British Columbia/Fraser River Delta (Sewell 1996); Sturgeon Bank/British Columbia/Fraser River Delta (6, 1973, Banse 1979); Vancouver/British Columbia/Indian Arm (1969, Bance 1979); WA/Skagit Bay (1974, Banse 1979; Gallagher et al. 1983); Everett/WA/Steamboat Slough (Puget Sound) (1940, Banse 1979, 48 02 10N, 122 02 50W); Seattle/WA/Kellog Island Passage, Elliot Bay (Cohen et al. 2001); Seattle/WA/Turning Basin, Elliot Bay (Cohen et al. 2001); WA/Freshwater Bay (1999, Wilson and Partridge 2007)
Vectors
| Level | Vector |
|---|---|
| Alternate | Oyster Accidental |
Regional Impacts
| Ecological Impact | Habitat Change | |
| The tube building polychaetes Hobsonia florida, Pseudopolydora kempi and taniads (Tanais) sp. (Crustacea, Peracarida) facilitate the recruitment of other taxa to 10 cm-2 azoic patches (Gallagher et al. 1983). | ||