Characters: Colonies are tables, usually side-attached, generally with horizontal radiating anastomosing branches becoming highly fused at the centre of large colonies. Branchlets may have upturned ends although they are seldom vertical. Axial corallites are small. Radial corallites are of mixed sizes and crowded, with sharp-edged nariform openings.
Colour: Brown, grey or green, often with pale margins.
Habitat: Shallow margins of fringing reefs.
Similar species: Acropora clathrata
Source reference: Veron (2000). Taxonomic reference: Wallace (1999). Additional identification guide: Carpenter et al. (1997, as Acropora clathrata).