Heliacus variegatus is usually found associated with subtidal zoanthids, probably Zoanthus sp. It has an interesting, conical, lamellate operculum. Some references suggest this should be Heliacus areola.
A Zoanthus species. It may not be the one eaten by Heliacus variegatus.
Zoanthus colony growing over Porites coral.
Created 18 April 2017
Updated 23 July 2020