Acropora polystoma is a species of acroporid coral that was first described by G. Brook in 1891. Found in marine, tropical, reefs on upper slopes where waves are strong, it occurs at depths between 3 and 10 m (9.8 and 32.8 ft). It is classed as a vulnerable species on the IUCN Red List, and it has a decreasing population. It is not common and found over a large area and is classified under CITES Appendix II.

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