The city and port of Auckland lie on the Waitematā Harbour. At least 60 invasive introduced species have become well established there, including:
Codium fragile tomentosoides – a green seaweed known as broccoli weed or dead man’s fingers, from Japan
Theora lubrica – a semelid bivalve
Ficopomatus enigmaticus –- a tubeworm that encases surfaces
Limaria orientalis – a file shell
Crassostrea gigas – the Pacific oyster
Musculista senhousia – Asian date mussel, now widespread in the region
Ciona intestinalis – a sea squirt
Watersipora subtorquata – a bryozoan
Pyromaia tuberculata – Californian crab
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Artwork by Bruce Mahalski
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Source: John Morton, Seashore ecology of New Zealand and the Pacific. Auckland: David Bateman, 2004, p. 103
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