Characters: Colonies are submassive to encrusting, with angular corallites 8-15 millimetres diameter. ‘Groove and tubercle’ formations are well developed. Long and short septa strongly alternate, are thickened over walls and are uniformly toothed.
Colour: Usually green, brown or yellow with white septa and sometimes green oral discs.
Similar species: Montastrea colemani. See also M. magnistellata.
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