Characters: Colonies are thick horizontal plates composed of prostrate branches and short branchlets. Branchlets have large, usually tapering, axial and incipient axial corallites curving upwards or pointing in different directions. Radial corallites are small and pocket-like. Colour: Whitish-brown or pale blue. Similar species: Acropora granulosa, which forms thinner colonies with smaller corallites. See also A. lokani. Habitat: Upper reef slopes. Abundance: Uncommon