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Blue-eyed Coral Crab

Cymo quadrilobatus

  • Crustaceans
  • IUCN: Not evaluated
  • Usual depth6.5 m
  • Water temperature27–29 °C
  • Best monthsMay, August, and November
  • How commonRare
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Photo credit: (c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

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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

  • 0–10 m: 1 records

Water temperature

Recorded in surface water of 27–29 °C

  • 26–28 °C: 1 records
  • 28–30 °C: 11 records

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

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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