Characters: Colonies are massive and rounded, with small uniform monticules 2-3 millimetres diameter. Polyps are not extended during the day.
Colour: Dull cream, brown or green.
Similar Species: Hydnophora exesa.
Habitat: All reef environments but primarily in lagoons and protected slopes in the Pacific and wave washed reef flats in the Red Sea.
Abundance: Uncommon.
Taxonomic References: Wijsman-Best (1972); Veron, Pichon and Wijsman-Best (1977); Veron (2000a); Huang, Benzoni, Fukami et al. (2014);
Identification Guides: Randall and Myers (1983); Veron (1986a); Sheppard and Sheppard (1991); Nishihira and Veron (1995); Coles (1996); Pillay, Terashima, Venkatasami et al. (2002); Turak and DeVantier (2011b);