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Montastrea annularis
The colonies grow in several morphotypes, that were originally described as separate species. The species occurs as long, thick columns with enlarged, dome-like tops; large, massive mounds; sheets with skirt-like edges; irregularly bumpy mounds and plates or as smooth plates. Colonies up to 3 meter in diameter. The surface is covered with distinctive, often somewhat raised, corallites.Shades of green to brown, yellow-brown and gray.
Inhabit most reef environments and the species is often the predominant coral between 7 and 25 m. The flattened plates are most common at deeper reefs, down to 50 m.
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