Heteractis magnifica (Quoy & Gaimard, 1833)
Actiniaria
Found associated with: ?

Photograph by: A. Gittenberger

Characterization (by Bas Kokshoorn): Oral disc 30-50 cm in diameter, covered with tentacles. Tentacles > 500, 5-10 cm long, blunt end. Stem with verrucae, not sticky.