Characters: Colonies are hemispherical to flat. Valleys are 12-15 millimetres wide, and are highly sinuous. Polyp walls have a moderately thick fleshy appearance and usually have a groove along the top.
Colour: Brown, grey or green, either mottled or with walls and valleys of contrasting colours.
Similar species: Symphyllia radians, which has larger and less sinuous valleys.
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