Characters: Colonies are upright or prostrate tangles of branches up to one metre across. Branches are thin and delicate. Axial corallites are long and tubular. Radial corallites are mostly small and tubular to pocket-shaped with sharp edges.
Colour: Reddish-brown, with blue or white axial corallites.
Similar species: Acropora filiformis. See also A. kirstyae, which has thicker branches and corallites with rounded edges.
Habitat: Shallow reef environments protected from strong wave action.
Abundance: Uncommon except on some sheltered reef slopes.
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