Characters: Polyps are circular, up to 200 millimetres diameter and thick, with a strong central arch. Septa are straight, with very large irregular teeth. Tentacular lobes are weakly developed. Costae are unequal, with very long spines. There are no pits between the costae.
Colour: Usually brown, commonly with radiating stripes or mottled.
Habitat: Reef slopes and lagoons.
Taxonomic Note: Species lacks strongly defining characters although is readily recognised in situ. Called Danafungia horrida by Gittenberger, Reijnen and Hoeksema (2011) from molecular data. However, this requires further study.