Invasion
Invasion Description
1st Record: Victoria Wharf, Dunedin, South Island/New Zealand/Pacific Ocean (1982, Gordon and Mawatari 1992)
Geographic Extent
Victoria Wharf, Dunedin, South Island/New Zealand/Pacific Ocean (1982, Gordon and Mawatari 1992); Port Chalmers, South Island/New Zealand/Pacific Ocean (1983, Gordon and Mawatari 1992)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Ecological Impact | Competition | |
| In New Zealand, W. subtorquata, arriving in 1983, quickly replaced W. arcuata at most locations (Gordon and Mawatari 1992). | ||