New Zealand half crab
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| iNew Zealand half crab | ||||||||||||||||||
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| Petrolisthes elongatus H. Milne-Edwards, 1840 |
The New Zealand half crab, Petrolisthes elongatus, is a species of porcelain crab found around New Zealand, and the east coast of Tasmania where it was first noticed in the 1940s. Its carapace width is up to 18 mm.
The New Zealand half crab lives under rocks in the intertidal area, and can be very abundant. It is a scavenger. Its claws are large in comparison to its fairly small body. Coloration is green-blue.
