Ringed foot crab
Lydia annulipes
- Water temperature25–29 °C
- Best monthsMay, July, and August
- How commonRare
Photo credit: (c) Lawrence Hylton, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Lydia annulipes is a species of crab in the family Oziidae. Coloration varies from brown to red brown to purple, with purple or red brown bands on the walking legs. The right claw of individuals collected has been found to be larger than the left claw.
Text from the Wikipedia article “Lydia annulipes”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 14 records
- February: 14 records
- March: 16 records
- April: 34 records
- May: 44 records
- June: 36 records
- July: 48 records
- August: 38 records
- September: 38 records
- October: 26 records
- November: 14 records
- December: 12 records
Depth and water temperature
Water temperature
Recorded in surface water of 25–29 °C
Photos
(c) Licheng Shih, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) B. P. White, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Daniel Eisenhauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Mike Burnett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ronith Urs, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Yung-Lun Lin, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 林正文, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Ringed foot crab
Names in 3 more languages
- French
- Crabe à pied annelé
- Japanese
- キバオウギガニ
- Simplified Chinese
- 環紋金沙蟹
Other scientific names: Euruppellia annulipes, Eurüppellia annulipes, Euxanthus rugulosus, Lydia danae, Ruppellia annulipes
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).
- 105 open-data records from 1834 to 2012.
- Species data updated November 4, 2026.
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