Actinocyclus japonicus
(Eliot, 1913)

Suborder: DORIDINA
Family: Actinocyclidae


Found throughout the tropical Indo-West Pacific.


Upper Photo: A. verrucosus
Lower Photo: A. papillatus

Upper: Light colour form, Split Solitary Island, Coffs Harbour, nthn New South Wales, February, 1987. Lower: Dark colour form, Coffs Harbour region, northern NSW, December, 1990. Photos: Bill Rudman.

Note added 4 August 2004: Actinocyclus japonicus is considered a synonym of A. verrucosus. Two species are now recognised, the other being A. papillatus. Previously, both species were identified as A. japonicus.


Authorship details
Rudman, W.B., 1998 (July 8) Actinocyclus japonicus (Eliot, 1913). [In] Sea Slug Forum. Australian Museum, Sydney. Available from