Characters: Colonies are massive or are unifacial or bifacial thick plates which may be tiered in large colonies. Corallites are mostly immersed. The coenosteum is covered with papillae and/or tuberculae. Colour: Pale brown or blue (which may photograph pink), with blue or white margins. Similar species: Montipora incrassata and M. tuberculosa. The latter has smaller corallites and smaller papillae. Habitat: Mostly upper reef slopes. Abundance: Common.