Species Regional Summary
Watersipora subtorquata
None ( NZ-IV )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Wellington, North Island/New Zealand/Cook Straits (1983, Gordon and Mawatari 1992)

Geographic Extent

Whangarei (North Island)/New Zealand/Whangarei Harbour (Cranfield et al. 1998); Marsden Point and Whangarei Port, North Island/New Zealand/Whangarei Harbour (Inglis et al. 2006e); Auckland (North Island)/New Zealand/Hauraki Gul (Cranfield et al. 1998); Tauranga (North Island)/New Zealand/Bay of Plenty (Cranfield et al. 1995); Napier (North Island)/New Zealand/Hawke Bay (1986, Gordon and Mawatari 1992); Wellington, North Island/New Zealand/Cook Straits (1983, Gordon and Mawatari 1992); Nelson (South Island)/New Zealand/Tasman Bay (1985, Gordon and Mawatari 1992); Lyttleton (South Island)/New Zealand/Lyttleton Habour (Cranfield et al. 1998)

Vectors

Level Vector
Probable Hull Fouling

Regional Impacts

Ecological ImpactCompetition
In New Zealand, W. subtorquata, arriving in 1983, quickly replaced W. arcuata at most locations (Gordon and Mawatari 1992).
 

References

Full Reference List for Watersipora subtorquata

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