Parvonotus spinosus
- Water temperature14–19 °C
- Best monthsFebruary, May, and October
- How commonRare
Photo credit: (c) Tim Binns, 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: 21 records
- February: 33 records
- March: 19 records
- April: 23 records
- May: 26 records
- June: 18 records
- July: 11 records
- August: 4 records
- September: 16 records
- October: 26 records
- November: 17 records
- December: 11 records
Depth and water temperature
Water temperature
Recorded in surface water of 14–19 °C
Photos
(c) Andrew Allen, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Bee, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Andrew Allen, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Brachynotus spinosus, Heterograpsus spinosus
Similar species
Asian shore crabHemigrapsus sanguineus
Tunneling Mud CrabAustrohelice crassa
Smooth Shore CrabCyclograpsus lavauxi
Japanese mitten crabEriocheir japonica
Estuarine crabHemigrapsus crenulatus
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.
- 55 open-data records from 1902 to 2011.
- Species data updated November 5, 2026.
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