
Photo credit: (c) W Rao, 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: 20 records
- February: 19 records
- March: 26 records
- April: 90 records
- May: 100 records
- June: 57 records
- July: 31 records
- August: 41 records
- September: 7 records
- October: 26 records
- November: 13 records
- December: 18 records
Depth and water temperature
Water temperature
Recorded in surface water of 20–28 °C
Photos

(c) W Rao, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) 曾唐鋒, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 2 more languages
- Japanese
- ヒメベンケイガニ
- Simplified Chinese
- 小型小相蟹
Other scientific names: Nanosesarma gordoni, Sesarma (Sesarma) gordoni, Sesarma barbimana, Sesarma minuta
Similar species
Red-clawed crabChiromantes haematocheir
Violet Tree-climbing CrabEpisesarma versicolor


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).
- 393 open-data records from 1887 to 2021.
- Species data updated November 4, 2026.
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