Characters: Colonies are irregular thick plates with columnar upgrowths. Corallites are crowded and immersed; those on upgrowths have a slight formation of a lower lip. The coenosteum is coarse, with a light texture. Colour: Pale brown or blue (which may photograph purple). Similar species: Montipora cocosensis, which has less compact corallites. See also M. peltiformis. Habitat: Shallow reef environments. Abundance: Rare