| Echinoecus pentagonus (Milne-Edwards, 1879) Sea urchin crab | 
| No Picture Available | 
| Family: | Pilumnidae (hairy crabs) | |||
| Max. size: | ||||
| Environment: | reef-associated; marine; depth range 0 - 22 m | |||
| Distribution: | Indo-Pacific: from Red Sea and East Africa to French Polynesia and Hawaiian Islands. | |||
| Diagnosis: | ||||
| Biology: | Epizoic, subtidal (Ref. 106854). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||