
Western Calling Fiddler Crab
Gelasimus hesperiae
- Usual depth1 m
- Water temperature28–29 °C
- Best monthsMarch and November
- How commonRare
Photo credit: (c) Tom Riggle, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 13 records
- February: 5 records
- March: 18 records
- April: 11 records
- May: 7 records
- June: 5 records
- July: 11 records
- August: 13 records
- September: 10 records
- October: 14 records
- November: 25 records
- December: 13 records
Depth and water temperature
Depth
Mostly recorded at 1 m · Deepest record: 1 m
Water temperature
Recorded in surface water of 28–29 °C
Photos

(c) Shaun Swanepoel, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Ashwin Viswanathan, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Micha Baum, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Shaunak Modi, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Mark Wagner, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Noeleen du Toit, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Names and classification
- English
- Western Calling Fiddler Crab
Names in 1 more languages
- Simplified Chinese
- 西方丑招潮
Other scientific names: Uca (Gelasimus) hesperiae, Uca hesperiae
Similar species
Orange-clawed Fiddler CrabGelasimus vomeris
Dampier's Fiddler CrabGelasimus dampieri
Jocelyn's Fiddler CrabGelasimus jocelynae
Tetragonal Fiddler CrabGelasimus tetragonon
Calling Fiddler CrabGelasimus vocans
- Eastern Calling Fiddler Crab
Gelasimus excisus
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).
- 44 open-data records from 1992 to 2017.
- Species data updated November 2, 2026.
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