Characters: Colonies are massive and subplocoid. Septa are uniformly spaced with 8-10 evenly spaced, rounded teeth. Teeth on adjacent septa are often aligned, forming concentric circles. Septa are equal of subequal. Columellae are dep-seated and often weakly developed. Colonies do not have thick tissue over the skeleton.
Colour: Variable brown and yellow-brown, usually with contrasting corallite walls and centres.
Similar Species: May resemble species of Favia more than other Acanthastrea underwater. See also A. faviaformis.
Habitat: Shallow reef environments.
Abundance: Uncommon.
Taxonomic Note: Placing of this species in Acanthastrea is tentative as it has many characters in common with faviids.
Taxonomic References: Veron (2000a); Veron (2002a);
Identification Guides: Turak and DeVantier (2011b);
