Characters: Colonies are usually hemispherical or helmet-shaped and may be over 4 metres across. They commonly form ‘micro-atolls’ in intertidal habitats. The surface is usually smooth.
Colour: Usually cream or pale brown but may be bright blue, purple or green in shallow water.
Similar species: Porites solida. See also P. australiensis, which is distinguished by having taller pali, especially on the lateral pairs of septa.
Habitat: Frequently a dominant species of back reef margins, lagoons and some fringing reefs.
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