Acropora simplexis commonly referred to as Acropora simplex. Difficulty in the aquarium: Animale non indicato per i neofiti. A aquarium size of at least 500 Liter is recommended. Toxicity: Toxic hazard unknown.
Special thanks for the picture to Steve Garrett from the USA!
Wallace and Wolstenholme, 1998
Colonies are flat plates commonly over one metre across and consist of flattened branches that are either radiating or irregular. Axial and incipient axial corallites are long and tubular. Radial corallites are widely spaced, irregular in size and shape and face different directions. They are scattered evenly over branch surfaces.