Red Nipper
Geograpsus stormi
- Usual depth1–18 m
- Water temperature24–29 °C
- Best monthsJanuary, February, and July
- How commonRare
Photo credit: (c) Daniel Eisenhauer, 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: 13 records
- February: 13 records
- March: 6 records
- April: 8 records
- May: 9 records
- June: 9 records
- July: 14 records
- August: 7 records
- September: 6 records
- October: 11 records
- November: 6 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 1–18 m · Deepest record: 17.5 m
Water temperature
Recorded in surface water of 24–29 °C
Photos
(c) Stephanie Dolrenry, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Alexander Regio, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Samuel GUIRAUDOU, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Augustin Soulard, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Red Nipper
Names in 2 more languages
- French
- Crabe littoral rouge brique
- Japanese
- アカカクレイワガニ
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).
- 34 open-data records from 1978 to 2012.
- Species data updated November 2, 2026.
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