Open violet zoanthid polyps covering the bottom of a rock pool. Port St Johns, Wild Coast, Eastern Cape (2021). Polyps tall, with a height of 2-3 times the width, and connected by a thin coenenchyme. Like all Zoanthus species, the polyp column is smooth, never embedded with sand. Column usually violet to grey, with an… Continue reading Violet zoanthid (Zoanthus sansibaricus)