| Spondylus butleri Reeve, 1856 Butler's thorny oyster | 
|   | 
| photo by 
	Coltro, Marcus | 
| Family: | Spondylidae (thorny oysters) | |||
| Max. size: | 10 cm SHL (male/unsexed) | |||
| Environment: | benthic; marine; depth range 0 - 30 m | |||
| Distribution: | Western Pacific: Probably also in the Indian Ocean. | |||
| Diagnosis: | ||||
| Biology: | Attached to rocks or dead corals. Littoral and sublittoral (Ref. 348). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||