Characters: Colonies are mostly massive. Corallites are sometimes cerioid but are mostly submeandroid. Walls are thin, columellae are small and paliform lobes are well developed. Colour: Dull green or brown. Similar species: Goniastrea retiformis, which has similar corallite structures but is always cerioid. Habitat: Usually intertidal or just subtidal but also occurs in a wide range of other habitats. Abundance: Uncommon.