Invasion
Invasion Description
1st Record: Halifax, East Of/Nova Scotia/Atlantic Ocean (1885, USNM 3471, US National Museum of Natural History 2009, 44.43333333 N, -62.16666667, at 232 m); 1st reported case of biofouling of cultured mussels, 1997, Lunenberg/Nova Scotia (Daigle and Herbinger 2009)
Geographic Extent
Burin/Newfoundland/Placentia Bay (2013-2014, McKenzie et al. 2016, 47.163; Little Bay/Newfoundland/Placentia Bay (2013-2014, McKenzie et al. 2016); Narystown//Newfoundland/Placentia Bay (2013-2014, McKenzie et al. 2016); "off Nova Scotia"/Atlantic Ocean, 44 26N, 62 10W (Van Name 1912); Halifax, East Of/Nova Scotia/Atlantic Ocean (1885, USNM 3471, US National Museum of Natural History 2009, 44.43333333 N, -62.16666667); mussel farms at Lunenberg/Nova Scotia/Lunenberg Bay (1997, Carver et al. 2003); Indian Point Mussel Farms/Nova Scotia/Mahone Bay (Daigle and Herbinger 2009); Buirn/Newfoundland/Placentia Bay (9/19/2012, Sargent et al. 2012, sp. B, molecular ID); Little Bay/Newfoundland/Placentia Bay (9/19/2012, Sargent et al. 2012, sp. B, molecular ID); St. Pierre and Miquelon/France/St. Pierre Harbor/Atlantic Ocean (9/4/2012, Sargent et al. 2012); Shelburne/Nova Scotia/Shelburne Harbor (43.76º ?65.32º, Hudson et al. 2019, genetic sampling),
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Economic Impact | Fisheries | |
| Ciona intestinalis has negative impacts due to fouling, and competition for phytoplankton, on farmed mussels and oysters in Nova Scotia, Canada (Carver et al. 2003; Daigle and Hersnberger 2009). | ||