Anthomastus giganteus, or the gigantic soft coral, is a deep dwelling species of soft coral from South Africa.
This soft coral is made up of large, fleshy polyps arising from a single long stalk. All the polyps are autozoids, meaning that they are independent and capable of feeding themselves.stalked. The disc-like base is often attached to a hard substance or to debris. The stalk ranges from pink or red to orange and the polyps are a paler beige, white or pinkish colour. Alternatively, the whole organism may be white in colour.[1]
This species is known from the coast of South Africa.[2] It is one of the deepest occurring soft corals and has been found at depths of up to 450m (1,480feet).