Characters: Colonies are irregular clumps of fine branchlets arising from a solid base. Radial corallites are appressed, with small nariform rounded openings.
Colour: Uniform sky-blue (which may photograph pink), cream or brown.
Similar species: Acropora nana, which has tubular appressed radial corallites with larger, not nariform openings.
Habitat: Upper reef slopes exposed to strong wave action.
