Special thanks for the photo of Porites harrisoni to Professor Peter Harrison.
Colonies are usually less than one metre across. They have a wide range of submassive, nodular, columnar and branching growth-forms on a broad encrusting base.
Colour: Commonly dark brown, also pink or blue.
Habitat: Shallow fringing reefs.
Abundance: Locally common and may be a dominant species.
Similar species: Porites compressa , Porites nodifera
Taxonomic note: Taxonomic note: This species in the western Indian Ocean has been called Porites compressa. Source reference: Veron (2000). Taxonomic reference: Veron (2002). Additional identification guide: Carpenter et al. (1997, as Porites compressa).