Characters: Polyps are irregular in outline, up to 70 millimetres across and generally composed of several wedge-shaped sectors which readily break apart. The beaded septa are approximately equal in height. Colour: Greyish-yellow or beige, often with green margins or centres. Similar species: Diaseris distorta. Habitat: Found on a wide range of lower reef slopes or flat substrates. Abundance: Uncommon, but may be plentiful where it occurs.