What's my crab?

An experimental guide to help identify New Zealand crabs
To identify your crab answer the below questions; that will filter the crabs shown in the list. As you answer a question other questions may appear. You can click the zoom_in to view more details of a crab, or select multiple crabs using check_box_outline_blank then use zoom_in to compare them.
 
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What's the shape of the crab's shell? (ignored)
What's the shape of the crab's shell?help
Triangle
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Square
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Round
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Oval
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Other
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What does the top of just the shell feel/look like? (ignored)
What does the top of just the shell feel/look like?help
Spikey
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Hairy
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Bumpy
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Smooth
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Seaweed
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These are the crabs that match your answers (34):
Purple Rock Crab
(Leptograpsus variegatus)
3
Purple Rock Crab - Leptograpsus variegatus
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Common Rock Crab
(Hemigrapsus sexdentatus)
3
Common Rock Crab - Hemigrapsus sexdentatus
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Hairy-Handed Crab
(Hemigrapsus crenulatus)
6
Hairy-Handed Crab - Hemigrapsus crenulatus
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Smooth Shore Crab
(Cyclograpsus lavauxi)
4
Smooth Shore Crab - Cyclograpsus lavauxi
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New Zealand Half-Crab
(Petrolisthes elongatus)
4
New Zealand Half-Crab - Petrolisthes elongatus
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Red Half-Crab
(Petrolisthes novaezelandiae)
5
Red Half-Crab - Petrolisthes novaezelandiae
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Spiny False Crab
(Petrocheles spinosus)
3
Spiny False Crab - Petrocheles spinosus
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Red Rock Crab
(Guinusia chabrus)
3
Red Rock Crab - Guinusia chabrus
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Tunneling Mud Crab
(Austrohelice crassa)
8
Tunneling Mud Crab - Austrohelice crassa
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Sentinel Crab
(Hemiplax hirtipes)
5
Sentinel Crab - Hemiplax hirtipes
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Iron Crab
(Ozius deplanatus)
6
Iron Crab - Ozius deplanatus
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Pie Crust Crab
(Metacarcinus novaezelandiae)
6
Pie Crust Crab - Metacarcinus novaezelandiae
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Smooth-Handed Crab
(Pilumnopeus serratifrons)
9
Smooth-Handed Crab - Pilumnopeus serratifrons
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Big-Handed Crab
(Heterozius rotundifrons)
5
Big-Handed Crab - Heterozius rotundifrons
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Triangle Crab
(Eurynolambrus australis)
6
Triangle Crab - Eurynolambrus australis
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Hairy Seaweed Crab
(Notomithrax ursus)
3
Hairy Seaweed Crab - Notomithrax ursus
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Peron's Camouflage Crab
(Notomithrax peronii)
4
Peron's Camouflage Crab - Notomithrax peronii
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Small Decorator Crab
(Notomithrax minor)
3
Small Decorator Crab - Notomithrax minor
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Paddle Crab
(Ovalipes catharus)
6
Paddle Crab - Ovalipes catharus
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Asian Paddle Crab
(Charybdis japonica)
7
Asian Paddle Crab - Charybdis japonica
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Red Swimming Crab
(Nectocarcinus antarcticus)
7
Red Swimming Crab - Nectocarcinus antarcticus
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Gulfweed Crab
(Planes minutus)
4
Gulfweed Crab - Planes minutus
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Paua Spider Crab
(Elamena producta)
5
Paua Spider Crab - Elamena producta
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Cook's Pillbox Crab
(Halicarcinus cookii)
4
Cook's Pillbox Crab - Halicarcinus cookii
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Flat Pillbox Crab
(Halicarcinus quoyi)
6
Flat Pillbox Crab - Halicarcinus quoyi
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Variable Pillbox Crab
(Halicarcinus varius)
3
Variable Pillbox Crab - Halicarcinus varius
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Estuarine Pillbox Crab
(Halicarcinus whitei)
5
Estuarine Pillbox Crab - Halicarcinus whitei
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No common name
(Neohymenicus pubescens)
5
No common name - Neohymenicus pubescens
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Hairy Crab
(Pilumnus lumpinus)
4
Hairy Crab - Pilumnus lumpinus
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Bristle Crab
(Pilumnus novaezelandiae)
6
Bristle Crab - Pilumnus novaezelandiae
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Pea Crab
(Nepinnotheres novaezelandiae)
4
Pea Crab - Nepinnotheres novaezelandiae
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Policeman Crab
(Neommatocarcinus huttoni)
Policeman Crab - Neommatocarcinus huttoni
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Sponge Crab
(Metadromia wilsoni)
5
Sponge Crab - Metadromia wilsoni
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Tuberculate Pear Crab
(Pyromaia tuberculata)
4
Tuberculate Pear Crab - Pyromaia tuberculata
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