Characters: Colonies are shaped like fir trees, with bottlebrush-like radiating sub-branches increasing in length down main branches. The degree of branch development varies greatly with environment. Axial and radial corallites are similar. Both are small with thick rounded walls.
Colour: Yellow or cream with pale branch tips.
Similar species: Acropora carduus, which has similar corallite dimensions but an irregular shape. See also A. longicyathus and A. subglabra.
Habitat: Shallow reef slopes and fringing reefs.
Abundance: Common and may form extensive single species stands.
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