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New Zealand Half Crab

Scientific Name
Petrolisthes elongatus
Scientific Author
(Milne Edwards, 1837)
Taxonomy
Crustacea: Decapoda: Anomura: Porcellanidae
Status
Exotic Species Establishment in Australia
Reliability
High
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Distribution

  • Australasian - Oceanian

Description

New Zealand, eastern Tas.; intertidal rocky shores.

Petrolisthes is a large genus with 35 species in the Indo-West Pacific of which at least ten occur in northern Australia (Haig, 1965, 1972). Only one occurs in southern AustraliaIt has been confirmed that this species was introduced to Tasmania from New Zealand, probably with ballast rocks at the end of the 1800s (King, 1997).

 


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