Species Regional Summary
Styela clava
None ( NZ-IV )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Records: Rangitoto Island, Musick Point, Buckland Beach, Glendowie, around Auckland, North Island/New Zealand/Auckland Harbor (3-9/2002, Hayward and Morley 2009, initially misidentifed as native Pyura spinosus, ID'd as S. clava in 2005, by a visiting British biologist)

Geographic Extent

Auckland, North Island/New Zealand/Auckland Harbor (2002, Hayward and Morley 2009; 2005, Biosecurity New Zealand 2005a); Christchurch, South Island/New Zealand/Lyttleton Harbour (2005, Biosecurity New Zealand 2005a); Tutukaka, North Island/New Zealand/Hauraki Gulf (2005, Biosecurity New Zealand 2005b); McFadden et al. 2007;; Picton, South Island, New Zealand/Cook Strait ( McFadden et al. 2007;;

Vectors

Level Vector
Probable Hull Fouling

Regional Impacts

Economic ImpactFisheries
The impact of Styela clava on Greenshell Mussel (Perna canaliculus) aquaculture in New Zealand was estimated at NZ $23.9 million (Soliman and Inglis 2018).
 

References

Full Reference List for Styela clava

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