Characters: Colonies are encrusting, with irregular lobes. Corallites are small (0.5 mm diameter). Papillae cover the colony surface and are sometimes fused into ridges. Septa are poorly developed. Colour: Usually blue (which may photograph pink), also brown or purple. Similar species: Montipora lobulata, which has prominent corallites. See also M. efflorescens. Habitat: Shallow reef environments. Abundance: Uncommon