Ctenactis albitentaculata-zoomed in

It is a near-threatened species of mushroom coral.
Ctenactis albitentaculata is a solitary, free-living coral. This means it is not attached to the substrate and does not form colonies. It is flat or dome-shaped and elongate in outline. Like other mushroom corals, Ctenactis albitentaculata also has a wide, slit-like mouth in the centre that extends across most of the polyp’s length
Polyps are elongate, with an axial furrow extending most of the polyp length. Several mouths are arranged.. more