Skip to content

DiscoverSpeciesCrustaceans

Black-fingered Coral Clinger

Cymo melanodactylus

  • Crustaceans
  • IUCN: Not evaluated
  • Water temperature21–30 °C
  • Best monthsMay and November
  • How commonRare
All species

Photo credit: (c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Cymo melanodactylus, also known as the furry coral crab, is a species of small crab in the family Xanthidae. It is found in the Indo-Pacific Ocean and lives in crevices and on the surface of corals in the genus Acropora.

Text from the Wikipedia article “Cymo melanodactylus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

  • January: 3 records
  • February: 7 records
  • March: 11 records
  • April: 9 records
  • May: 15 records
  • June: 8 records
  • July: 10 records
  • August: 12 records
  • September: 6 records
  • October: 5 records
  • November: 22 records
  • December: 4 records

Depth and water temperature

Water temperature

Recorded in surface water of 21–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 3 records
  • 24–26 °C: 4 records
  • 26–28 °C: 5 records
  • 28–30 °C: 20 records

Names and classification

English
Black-fingered Coral Clinger
Names in 3 more languages
French
Crabe corail à doigts noirs
Japanese
キモガニ, キモガニ/サイモガニ, サイモガニ
Simplified Chinese
黑指波紋蟹

Other scientific names: Cancer (Cymo) meladactylus

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.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 70 open-data records from 1852 to 2017.
  • Species data updated November 2, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy