
New Zealand Crown Crab
Hymenosoma depressum
- Usual depth0–32 m
- Water temperature12–17 °C
- Best monthsDecember
- How commonRare
Photo credit: (c) Auckland Museum, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 2 records
- February: 1 records
- March: 0 records
- April: 1 records
- May: 1 records
- June: 1 records
- July: 0 records
- August: 1 records
- September: 3 records
- October: 3 records
- November: 1 records
- December: 10 records
Depth and water temperature
Depth
Mostly recorded at 0–32 m · Deepest record: 41 m
Water temperature
Recorded in surface water of 12–17 °C
Photos

(c) leafveiled, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- New Zealand Crown Crab
Similar species
Three-pronged Spider CrabHalicarcinus ovatus
Crested false spider crabElamena cristatipes
Paua Sea SpiderElamena producta
Cook's Pillbox CrabHalicarcinus cookii
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Conservation status as published by GBIF (IUCN Red List).
- 19 open-data records from 1953 to 2002.
- Species data updated November 3, 2026.
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