
Mauve Eyed Hermit Crab
Dardanus crassimanus
- Usual depth1–52 m
- Water temperature20–27 °C
- Best monthsJanuary, March, and December
- How commonOccasional
Photo credit: (c) Eldon E Ball, 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: 118 records
- February: 71 records
- March: 84 records
- April: 78 records
- May: 64 records
- June: 47 records
- July: 37 records
- August: 26 records
- September: 65 records
- October: 75 records
- November: 66 records
- December: 110 records
Depth and water temperature
Depth
Mostly recorded at 1–52 m · Deepest record: 52.3 m
Water temperature
Recorded in surface water of 20–27 °C
Photos

(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Eldon E Ball, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ashwin A, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Names and classification
- English
- Mauve Eyed Hermit Crab
Names in 3 more languages
- Japanese
- イシダタミヤドカリ
- Korean
- 벽돌길왼손집게
- Simplified Chinese
- 厚掌真寄居蟹, 厚腕真寄居蟹
Other scientific names: Pagurus crassimanus, Pagurus pavimentatus, Pagurus sculptipes
Similar species
Striated hermit crabDardanus arrosor
Pale anemone hermitDardanus deformis
Black-eyed hermit crabDardanus lagopodes
Spotted hermit crabDardanus megistos
Anemone hermit crabDardanus pedunculatus
Jeweled anemone hermitDardanus gemmatus
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).
- 133 open-data records from 1975 to 2023.
- Species data updated November 2, 2026.
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