Invasion
Invasion Description
1st Record: Charleston Boat Basin/OR/Coos Bay (1978, Carlton, unpublished data; 2003, de Rivera et al. 2005)
Geographic Extent
Charleston Boat Basin/OR/Coos Bay (1978, Carlton, unpublished data; 2003, de Rivera et al. 2005); Port Adams Jetty, Coos Bay/OR/Coos Bay (1988, Hewitt 1993, Carlton, unpublished); OR/Coos Bay, South Slough (1988, Carlton, unpublished); Empire Pier, Coos Bay/OR/South Slough (2003, de Rivera et al. 2005); Port of Coos Bay Citrus Dock/OR/Coos Bay (2003, de Rivera et al. 2005); Valino Island/OR, South Slough, Coos Bay (2003, de Rivera et al. 2005)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |
Regional Impacts
| Ecological Impact | Food/Prey | |
| In feeding trials, the native crabs Hemigrapsus oregonensis, the flatworm Eurylepta leoparda and the nudibranch Hermissenda crassicornis fed heavily on the native tuinicate Distaplia occidentalis but at much lower rates on the non-native Botryllus schlosseri and Botrylloides violaceus) (Kincaid and de Rivera 2021). | ||