Characters: Colonies are composed of blunt-ended irregular columns. Corallites have thin, highly perforated walls of interconnected rods and spines. Polyps are up to 100 millimetres long and 20 millimetres diameter when fully extended. Colour: Oral discs and tentacle tips are white, the rest of the polyps are brown or greenish-brown. Similar species: This is the largest Alveopora. Alveopora allingi has similar skeletal structures and A. catalai has similar polyps. Habitat: Protected turbid environments. Abundance: Common and conspicuous at the Houtman Abrolhos Islands, south-west Australia, uncommon elsewhere.