Characters: Colonies usually have compact branches which do not fuse. Upright branches may be tall and have many perpendicular sub-branches. Axial corallites are large and dome-shaped. Radial corallites are immersed on lower branches, becoming appressed to tubular on upper branches.
Colour: Pale brown or blue.
Similar species: Acropora wallaceae and A. florida. See also A. samoensis.
Habitat: Shallow protected lagoons and lagoon entrances.
Abundance: Common on subtropical reefs of south-
east Australia where it forms extensive stands, rare elsewhere.
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