
Blue-eyed Coral Crab
Cymo quadrilobatus
- Usual depth6.5 m
- Water temperature27–29 °C
- Best monthsMay, August, and November
- How commonRare
Photo credit: (c) Debra Baker, 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: 13 records
- February: 7 records
- March: 11 records
- April: 8 records
- May: 14 records
- June: 12 records
- July: 9 records
- August: 16 records
- September: 7 records
- October: 12 records
- November: 16 records
- December: 11 records
Depth and water temperature
Depth
Mostly recorded at 6.5 m · Deepest record: 6.5 m
Water temperature
Recorded in surface water of 27–29 °C
Photos

(c) apteryx54, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Blue-eyed Coral Crab, Four-lobbed Coral Clinger
Names in 2 more languages
- French
- Crabe corail à quatre lobes, Cymo à quatre lobes
- Simplified Chinese
- 四葉波紋蟹
Similar species

Black-fingered Coral ClingerCymo melanodactylus
- Melanesian Coral Crab
Cymo deplanatus
Floral Egg CrabAtergatis floridus

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).
- 87 open-data records from 1884 to 2022.
- Species data updated November 2, 2026.
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