Invasion
Invasion Description
1st record: Plymouth/England/English Channel (1953; Carlisle 1954)
Geographic Extent
Plymouth/England/English Channel (1953); Milford Haven/Wales/Celtic Sea (1968; Lutzen 1999); Falmouth/England/English Channel (2010, 2013, Bishop et al. 2015b, 50 9.10N 5 3.60W); Heysham/England/Heysham Harbor (1985, Lutzen 1999), Irish Sea (Lutzen 1999); Cork/Ireland/Cork Harbor (1971, Minchin et al. 2006); Millport, Isle of Cumbrae/Scotland/Firth of Clyde (Lutzen 1999); Fenit Harbor Marina, Kerry/Ireland/Tralee Bay (2004, Minchin et al. 2006); Dingle Marina, Dingle, County Cork/Ireland/Dingle Bay (2004, Minchin et al. 2006); Marloge Marina (1971, Minchin et al. 2006); Ireland/Killary Fjord (2013, Palanisamy et al. 2018); Barry/Wales/Brisotl Channel (2019, Holmes and Callawya 2021)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |
Regional Impacts
| Economic Impact | Fisheries | |
| Fouling of cultured mussels by a variety of non-native tunicates was reported beginning in 2013, and was a serious problem by 2016 (Palanisamy et al. 2018). | ||