Characters: Colonies are hemispherical to helmet-shaped and may be large. The surface is smooth or has irregular humps and nodules.
Colour: Usually cream or yellow but may be bright colours in shallow water.
Similar Species: Porites lobata. Calice characters are closest to P. myrmidonensis.
Habitat: Occurs with P. lutea and P. lobata on back reef margins, lagoons and fringing reefs.
Taxonomic References: Wells (1954); Veron and Pichon (1982); Veron (2000a);
Identification Guides: Veron (1986a); Nishihira and Veron (1995); Pillay, Terashima, Venkatasami et al. (2002); Turak and DeVantier (2011b);