Button Crab
Exopalicus maculatus
- Water temperature24–26 °C
- Best monthsApril, May, and June
- How commonRare
Photo credit: (c) Robin White, 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: 2 records
- February: 2 records
- March: 2 records
- April: 5 records
- May: 4 records
- June: 4 records
- July: 1 records
- August: 1 records
- September: 4 records
- October: 3 records
- November: 4 records
- December: 2 records
Depth and water temperature
Water temperature
Recorded in surface water of 24–26 °C
Photos
(c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Button Crab
Names in 1 more languages
- Japanese
- アカモンイトアシガニ
Other scientific names: Cymopolia medipacifica, Palicus maculatus, Palicus tuberculatus
Similar species
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).
- 28 open-data records from 1985 to 1985.
- Species data updated November 2, 2026.
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