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Family Acroporidae


Acropora austera

Tafananai, Tutuila, American Samoa, 4 feet



Uncommon on shallow reefs exposed to wave action.  Bushy with divergent branches with many axes giving it a ragged appearance.  Axial corallites broad with a small opening, and cylindrical radial corallites of varying size.  Yellowish brown or bluish purple with light branch tips  Indo-Pacific excluding Hawaii.

All coral skeletons illustrated are from scientific collections taken prior to 1998.