Heteractis crispa (Ehrenberg, 1834)
Actiniaria
Found associated with: Cirsotrema cf multiperforata, C. varicosum, Epitonium sandwichense, E. ancillottoi.

Photograph by: A. Gittenberger

Characterization (by Bas Kokshoorn): Oral disc 20-50 cm in diameter, densely covered with tentacles, no stripes. Tentacles >500, acute tip, 5-15 cm long. Stem covered with verrucae, not sticky.