Characters: Colonies are massive, hemispherical or irregular. Corallites are rounded with thick walls and have six prominent paliform lobes. Polyps are elongate.
Colour: Uniform grey with blue mouths (which may photograph pink).
Similar Species: Goniopora tenuidens, which has closely packed uniform polyps and corallites with thin walls. See also G. djiboutiensis, which has larger polyps.
Habitat: Shallow reef environments.
Abundance: Common.
Taxonomic References: Veron (2000a); Veron (2002a);