Characters: Colonies are thick plates up to 300 millimetres across, which usually slope downwards, parallel to steeply sloping substrates. Small upgrowths sometimes occur but are seldom the dominant growth-form. Corallites are mostly monocentric or form short radiating valleys towards the colony margins. Walls are low, broad and evenly rounded.
Colour: Orange- to greenish-brown.
Similar species: Superficially resembles the faviid Goniastrea pectinata more than other Merulina.
Habitat. Crevices usually below 10 metres depth, silted slopes and lagoons.
Abundance: Common, but less conspicuous than other Merulina.
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