Characters: Colonies are digitate or arborescent with anastomosing upright branches. Corallites are immersed and small, especially in colonies from shallow water. The coenosteum is smooth. Colour: Pale cream or brown, sometimes pink or blue. Similar species: Montipora samarensis. See also M. altasepta. Habitat: Shallow reef environments. May be a dominant species of shallow mud flats. Abundance: Common.