Photo credit: (c) Wang J.P., 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: 3 records
- February: 3 records
- March: 7 records
- April: 5 records
- May: 7 records
- June: 12 records
- July: 5 records
- August: 5 records
- September: 4 records
- October: 6 records
- November: 1 records
- December: 8 records
Depth and water temperature
Water temperature
Recorded in surface water of 22–30 °C
Photos
(c) Wang J.P., some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 林正文, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 胡正恆(Jackson Hu), some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 2 more languages
- Japanese
- イソオウギガニ
- Simplified Chinese
- 皺紋團扇蟹
Similar species
Iron crabOzius deplanatus
Black Finger CrabOzius truncatus
Spotted-belly forceps crabOzius guttatus
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).
- 75 open-data records from 1858 to 2022.
- Species data updated November 5, 2026.
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