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Large colonies are uncommon
in protected bays of Maui & Hawaii at scuba depths, rare elsewhere. Forms solid plates
with scattered vertical knobs, becoming
large tiered colonies as big as a house. Tiny white polyps are
surrounded by short irregular ridges. Calices similar to Porites rus
but also has a small central rod called a columella. Gray, pinkish brown or pale blue gray
at depth. Hawaii & the Indo-Pacific. Formerly known in
Hawaii as Porites
convexa and easily confused with Porites rus.
All
coral skeletons illustrated are from scientific collections taken prior
to 1998.
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