Characters: Colonies are composed of robust horizontal main branches which usually diverge. Short upright branchlets diverge from main branches. Axial corallites and incipient axial corallites radiate from branchlets and are tubular in shape and large. Radial corallites are small and pocket shaped.
Colour: Cream, brown or blue (which may photograph pink).
Similar species: Acropora caroliniana has smaller corallites. See also A. granulosa.
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