Characters: Colonies are massive, usually hemispherical, and may be several metres across. The surface is smooth to undulating. Corallites are conspicuously large.
Colour: Brown or greenish yellow.
Similar Species: Porites lobata, which has weakly developed pali. Relatively easily recognised underwater. Habitat: Shallow reef environments.
Habitat: Shallow reef environments.
Taxonomic References: Veron and Pichon (1982); Veron (2000a);
Identification Guides: Veron (1986a); Sheppard and Sheppard (1991); Nishihira and Veron (1995); Pillay, Terashima, Venkatasami et al. (2002); Chan, Choi, McCorry et al. (2005); Fenner (2005); Turak and DeVantier (2011b);