Ozius tuberculosus

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 9 records
February: 6 records
March: 6 records
April: 11 records
May: 6 records
June: 10 records
July: 7 records
August: 8 records
September: 5 records
October: 3 records
November: 8 records
December: 3 records

Depth and water temperature

Water temperature

Recorded in surface water of 23–29 °C

22–24 °C: 1 records
24–26 °C: 3 records
26–28 °C: 3 records
28–30 °C: 3 records

Photos

(c) Srichakra Pranav Tamarapalli, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Srichakra Pranav Tamarapalli, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist
(c) insect ID, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Davis Damaledo, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Names in 2 more languages

Japanese: ツブイソオウギガニ
Simplified Chinese: 疣粒團扇蟹

Other scientific names: Ozius tuberculatus, Ruppellioides convexus

Similar species

Iron crab
Ozius deplanatus
Black Finger Crab
Ozius truncatus
Spotted-belly forceps crab
Ozius guttatus
Ozius rugulosus
Ozius tricarinatus
Epixanthus dentatus

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).
39 open-data records from 1834 to 2012.
Species data updated November 5, 2026.