Rock crab
Glebocarcinus amphioetus
- Water temperature20–22 °C
- Best monthsJuly and August
- How commonRare
Photo credit: (c) harum.koh, 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: 2 records
- February: 3 records
- March: 0 records
- April: 1 records
- May: 2 records
- June: 1 records
- July: 11 records
- August: 13 records
- September: 4 records
- October: 2 records
- November: 3 records
- December: 0 records
Depth and water temperature
Water temperature
Recorded in surface water of 20–22 °C
Photos
(c) Dmitry Ivanov, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dmitry Ivanov, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Rock crab
Names in 1 more languages
- Japanese
- コイチョウガニ
Other scientific names: Cancer amphioetus, Cancer bullatus, Cancer pygmaeus, Trichocarcinus dentatus
Similar species
Edible crabCancer pagurus
pie crust crabMetacarcinus novaezelandiae
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.
- 6 open-data records from 1932 to 2001.
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