Colonies are encrusting to massive and frequently over one metre across. Corallites are cerioid. Septa have exsert teeth. Colonies have fleshy tissue over the skeleton, but this is not thick enough to mask underlying skeletal structures.
Mottled browns and greens, commonly with brown walls and green oral discs.
Most reef environments.
Acanthastrea bowerbanki ,
Acanthastrea echinata ,
Source reference: Veron (2000). Taxonomic reference: Ehrenberg’s original description/specimens. Additional identification guide: Nishihira and Veron (1995).
displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acanthastrea hemprichii.Philippines.Variation in corallite structure and colour.Charlie Veron.
Acanthastrea hemprichii.Tanzania.Variation in corallite structure and colour.Charlie Veron.
Acanthastrea hemprichii.null.Variation in corallite structure and colour.Neville Coleman.
Acanthastrea hemprichii.Great Barrier Reef, Australia.Variation in corallite structure and colour.Neville Coleman.
Acanthastrea hemprichii.Indonesia.A submassive colony.Charlie Veron.
Acanthastrea hemprichii.Great Barrier Reef, Australia.Showing corallites.
Acanthastrea hemprichii.Indonesia.Showing colony surface.
Acanthastrea hemprichii.Indonesia.Showing corallites.