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Family Acroporidae

INDO-PACIFIC

Acropora robusta

Tafananai, Tutuila, American Samoa, 6 feet

cropped

 

ROBUST ACROPORA

Common on shallow reefs exposed to wave action.  Thick and encrusting in the center with irregular knobs and cones and spreading upturned fingers along margins, axial corallites at branch tips, rasp-shaped radial corallites of several sizes.  Greenish or yellowish brown.  Indo-Pacific.