Characters: Colonies are phaceloid or plocoid, the former being predominant in high latitudes and very shallow water. Corallites are short and sturdy, 10-15 millimetres diameter, and frequently have more than one mouth. Costae are poorly developed.
Colour: Dull cream, grey and green.
Similar Species: Caulastrea connata. See also Favia vietnamensis.
Habitat: Shallow reefs, and rocky foreshores of subtropical locations.
Abundance: Common only in Western Australia and Japan.
Taxonomic References: Veron, Pichon and Wijsman-Best (1977); Veron (2000a); Huang, Benzoni, Fukami et al. (2014);
Identification Guides: Veron (1986a); Sheppard and Sheppard (1991); Nishihira and Veron (1995); Turak and DeVantier (2011b);
